Biology Chapter 5 Quiz
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Questions and Answers

What type of reaction breaks down larger molecules into smaller molecules, releasing energy?

  • Exergonic
  • Catabolic (correct)
  • Anabolic
  • Endergonic
  • Which of the following mixtures has particles that are dispersed but not dissolved, and do not settle out?

  • Suspension
  • Colloid (correct)
  • Homogeneous Mixture
  • Solution
  • What is the measure of concentration defined as moles of solute per kilogram of solvent?

  • Molarity
  • Osmolality
  • Molality (correct)
  • Osmolarity
  • Which of the following is NOT a type of lipid?

    <p>Polysaccharides (C)</p> Signup and view all the answers

    Which type of carbohydrate provides quick energy?

    <p>Monosaccharides (A)</p> Signup and view all the answers

    Which of the following is NOT a function of proteins?

    <p>Energy storage (A)</p> Signup and view all the answers

    Which type of nucleic acid is involved in protein synthesis?

    <p>RNA (C)</p> Signup and view all the answers

    What is the main difference between a solution and a suspension?

    <p>Solutions are homogeneous, while suspensions are heterogeneous. (C)</p> Signup and view all the answers

    Which of the following terms refers to a body part located on the same side of the body as another part?

    <p>Ipsilateral (C)</p> Signup and view all the answers

    The term 'cranial' refers to a structure that is:

    <p>Above another structure (A)</p> Signup and view all the answers

    Which anatomical region corresponds to the upper arm?

    <p>Brachial (A)</p> Signup and view all the answers

    What level of organization in the human body involves groups of similar cells working together to perform a common function?

    <p>Tissue Level (B)</p> Signup and view all the answers

    The 'patellar' region refers to which part of the body?

    <p>Front of the knee (C)</p> Signup and view all the answers

    Which of the following is NOT an example of a specific anatomical region?

    <p>Distal (C)</p> Signup and view all the answers

    What is the term used to describe a body part located on the opposite side of the body from another?

    <p>Contralateral (C)</p> Signup and view all the answers

    Which of the following pairs of terms are used to describe positions that are relative to the body's midline?

    <p>Medial and Lateral (D)</p> Signup and view all the answers

    Which of the following cellular structures is responsible for breaking down fatty acids and detoxifying harmful compounds?

    <p>Peroxisomes (A)</p> Signup and view all the answers

    What cellular structure is primarily responsible for generating ATP through cellular respiration?

    <p>Mitochondria (B)</p> Signup and view all the answers

    Which of the following is NOT a component of the cytoskeleton?

    <p>Lysosomes (B)</p> Signup and view all the answers

    What is the primary function of the Golgi apparatus?

    <p>Modification, packaging, and sorting of proteins and lipids (C)</p> Signup and view all the answers

    Which of the following is associated with the process of protein denaturation?

    <p>Loss of the protein's biological function (A)</p> Signup and view all the answers

    What is the primary function of ribosomes?

    <p>Synthesize proteins (C)</p> Signup and view all the answers

    Which cellular structure is directly involved in organizing the mitotic spindle during cell division?

    <p>Centrioles (D)</p> Signup and view all the answers

    Which of the following cellular structures is responsible for synthesizing ribosomal RNA (rRNA)?

    <p>Nucleolus (B)</p> Signup and view all the answers

    Which type of epithelial tissue is found in the male reproductive tract and lacks cilia?

    <p>Nonciliated Pseudostratified Columnar Epithelium (D)</p> Signup and view all the answers

    Which type of connective tissue is responsible for providing elasticity and stretch in the skin and lungs?

    <p>Elastic Fibers (B)</p> Signup and view all the answers

    Which epithelial tissue type is characterized by cells that change shape depending on stretch, and is found in the urinary bladder and ureters?

    <p>Transitional Epithelium (C)</p> Signup and view all the answers

    Which connective tissue type is responsible for storing fat and is found beneath the skin and around organs?

    <p>Adipose (C)</p> Signup and view all the answers

    Which type of epithelial tissue is found in the lining of the mouth and esophagus?

    <p>Non-keratinized Stratified Squamous Epithelium (D)</p> Signup and view all the answers

    Which of the following pairs correctly matches the connective tissue type with its primary function?

    <p>Reticular - Provides strength and resists pulling forces in tendons and ligaments (D)</p> Signup and view all the answers

    Which type of connective tissue features collagen fibers arranged in various directions, providing strength in the dermis of the skin?

    <p>Dense Irregular (A)</p> Signup and view all the answers

    What is the primary function of collagen fibers in connective tissue?

    <p>To provide strength and resist pulling forces (A)</p> Signup and view all the answers

    Which type of cartilage provides flexibility and is found in the ear and epiglottis?

    <p>Elastic cartilage (A)</p> Signup and view all the answers

    What is the primary function of skeletal muscle?

    <p>Movement of bones (A)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of smooth muscle?

    <p>Striated (D)</p> Signup and view all the answers

    Which layer of the epidermis is responsible for cell division and contains melanocytes?

    <p>Stratum basale (A)</p> Signup and view all the answers

    Which of the following is NOT a function of the integumentary system?

    <p>Production of blood cells (D)</p> Signup and view all the answers

    Which type of connective tissue is found in blood vessels and carries oxygen, nutrients, and waste products?

    <p>Blood (A)</p> Signup and view all the answers

    Which of the following is a type of supporting connective tissue that provides tensile strength and is found in intervertebral discs and menisci?

    <p>Fibrocartilage (A)</p> Signup and view all the answers

    Which of the following is the main function of nervous tissue?

    <p>Transmits electrical impulses for communication (B)</p> Signup and view all the answers

    What type of gland releases secretions by rupturing the entire cell, resulting in the discharge of both secretion and cell debris?

    <p>Holocrine glands (D)</p> Signup and view all the answers

    Which tissue type is primarily responsible for transmitting electrical signals in the body?

    <p>Neurological tissue (D)</p> Signup and view all the answers

    What is the primary function of epithelial tissue?

    <p>Protects the body and absorbs nutrients (B)</p> Signup and view all the answers

    Where is simple cuboidal epithelium typically found in the body?

    <p>Kidney tubules (C)</p> Signup and view all the answers

    Which type of epithelial tissue is characterized by a single layer of flat cells?

    <p>Simple squamous epithelium (B)</p> Signup and view all the answers

    What is a key characteristic of connective tissue?

    <p>Provides structural support and has a vast ECM (A)</p> Signup and view all the answers

    Which type of epithelial tissue contains microvilli and is primarily involved in absorption?

    <p>Nonciliated simple columnar epithelium (B)</p> Signup and view all the answers

    How does muscle tissue primarily function in the body?

    <p>Generates movement through contraction (A)</p> Signup and view all the answers

    Flashcards

    Chemical Level

    The lowest level of organization, includes atoms and molecules like water and glucose.

    Cellular Level

    Basic unit of life where cells, such as muscle or nerve cells, are formed.

    Tissue Level

    Groups of similar cells performing a common function, including epithelial and connective tissues.

    Organ Level

    Structures made up of two or more tissue types, like the heart or lungs.

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    Superior (Cranial)

    Refers to a position above another part, such as the head above the chest.

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    Distal

    Refers to a part that is farther from the attachment point, like fingers being distal to the shoulder.

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    Acromial

    Anatomical term referring to the shoulder region.

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    Antebrachial

    Refers to the forearm area in anatomy.

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    Catabolic Reactions

    Reactions that break down larger molecules, releasing energy.

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    Anabolic Reactions

    Reactions that build larger molecules from smaller ones, requiring energy.

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    Solutes

    Substances that are dissolved in a solution, like salt in water.

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    Solution

    A homogeneous mixture where the solute is fully dissolved in the solvent.

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    Colloid

    A mixture with particles dispersed but not dissolved, like milk.

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    Suspension

    A heterogeneous mixture where large particles settle over time, like sand in water.

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    Lipids

    Non-polar molecules for energy storage, insulation, and cell membrane structure.

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    Nucleic Acids

    Molecules that store and transmit genetic information, like DNA.

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    Protein Denaturation

    The process where a protein loses its 3D structure due to heat, pH, or chemicals, causing it to lose function.

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    Centriole

    Cylinder-shaped structures made of microtubules that organize the mitotic spindle during cell division.

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    Cytoplasm

    The entire contents within the cell membrane, excluding the nucleus, including cytosol, organelles, and inclusions.

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    Cytoskeleton

    A network of protein filaments that provide structural support, aid in movement, and organize organelles.

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    Golgi Apparatus

    A series of flattened pouches that modify, package, and sort proteins and lipids for transport.

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    Mitochondria

    The powerhouse of the cell that generates ATP through cellular respiration, with its own DNA.

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    Plasma Membrane

    A selectively permeable phospholipid bilayer that surrounds the cell, controlling substance movement.

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    Ribosome

    The site of protein synthesis in the cell.

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    Elastic Connective Tissue

    Contains elastic fibers and is found in large arteries and lungs.

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    Hyaline Cartilage

    Smooth surface for movement, found in nose, ribs, and joints.

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    Fibrocartilage

    Provides tensile strength, located in intervertebral discs and menisci.

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    Elastic Cartilage

    Flexible cartilage found in the ear and epiglottis.

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    Compact Bone

    Dense bone forming the outer layer of bones.

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    Spongy Bone

    Less dense bone found inside bones, such as in vertebrae.

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    Skeletal Muscle

    Striated, voluntary muscle attached to bones for movement.

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    Cardiac Muscle

    Striated muscle with intercalated discs, pumps blood in the heart.

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    Nonciliated Pseudostratified Columnar Epithelium

    Epithelium without cilia, found in ducts of large glands and male reproductive tract.

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    Ciliated Pseudostratified Columnar Epithelium

    Epithelium with cilia that helps move particles, located in respiratory passages.

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    Stratified Squamous Epithelium

    Multiple layers of flat cells, found in skin (keratinized) and mouth (non-keratinized).

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    Stratified Cuboidal Epithelium

    Multiple layers of cube-shaped cells, found in sweat and mammary glands.

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    Transitional Epithelium

    Elastic cells that change shape based on stretch, found in urinary bladder and ureters.

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    Keratinized Epithelium

    Epithelium containing keratin, making tissue tough and waterproof, found in epidermis.

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    Connective Tissue Proper

    Includes various connective tissues like loose and dense connective tissues, providing support.

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    Extracellular Matrix

    Composition of connective tissue, including ground substance and protein fibers for support.

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    Holocrine Glands

    Glands that release secretions by breaking down entire cells, discharging both secretion and cell debris.

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    Connective Tissue

    Tissue that provides support, stores energy, and protects organs, featuring sparse cells and abundant ECM.

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    Epithelial Tissue

    Tissue that covers surfaces, lines cavities, and forms glands, characterized by tightly packed cells.

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    Neurological Tissue

    Tissue that transmits electrical signals for communication, including neurons and glial cells.

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    Muscle Tissue

    Tissue responsible for movement, divided into skeletal, smooth, and cardiac types, capable of contraction.

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    Simple Squamous Epithelium

    A single layer of flat cells, lining blood vessels, alveoli, and the heart.

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    Ciliated Simple Columnar Epithelium

    A single layer of tall cells with cilia that helps move substances, located in the bronchi and uterine tubes.

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    Nonciliated Simple Columnar Epithelium

    A single layer of tall cells with microvilli for absorption, located in the digestive tract.

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    Study Notes

    Levels of Organization in the Human Body

    • Chemical Level: Atoms and molecules (e.g., water, glucose)
    • Cellular Level: Basic units of life (e.g., muscle cells, nerve cells)
    • Tissue Level: Groups of similar cells working together (e.g., epithelial, connective tissues)
    • Organ Level: Structures composed of two or more tissue types (e.g., heart, lungs)
    • Organ System Level: Groups of organs working together (e.g., digestive system)
    • Organism Level: The entire living being (e.g., a human)

    Anatomical Positions

    • Anterior (Ventral): Toward the front (e.g., chest)
    • Posterior (Dorsal): Toward the back (e.g., spine)
    • Contralateral: Opposite sides (e.g., right arm and left leg)
    • Ipsilateral: Same side (e.g., right arm and right leg)
    • Deep: Away from the surface (e.g., bones)
    • Superficial: Near the surface (e.g., skin)
    • Distal: Farther from the attachment point (e.g., fingers are distal to the shoulder)
    • Proximal: Closer to the attachment point (e.g., shoulder is proximal to the fingers)
    • Inferior (Caudal): Below (e.g., stomach is inferior to the heart)
    • Superior (Cranial): Above (e.g., head is superior to the chest)
    • Lateral: Away from the midline (e.g., ears are lateral to the nose)
    • Medial: Toward the midline (e.g., nose is medial to the eyes)

    Anatomical Regions of the Body

    • Abdominal: Abdomen area
    • Acromial: Shoulder
    • Antebrachial: Forearm
    • Antecubital: Front of the elbow
    • Mental: Chin
    • Nasal: Nose
    • Occipital: Back of the head
    • Olecranal: Back of the elbow
    • Axillary: Armpit
    • Brachial: Upper arm
    • Buccal: Cheek
    • Calcaneal: Heel
    • Carpal: Wrist
    • Cephalic: Head
    • Cervical: Neck
    • Coxal: Hip
    • Cranial: Skull
    • Crural: Shin
    • Digits/Phalanges: Fingers and toes
    • Dorsum: Back
    • Facial: Face
    • Femoral: Thigh
    • Gluteal: Buttocks
    • Inguinal: Groin
    • Lower Extremity: Hip to toes
    • Lumbar: Lower back
    • Mammary: Breast
    • Manus: Hand

    Body Cavities

    • Cranial Cavity: Contains the brain
    • Spinal (Vertebral) Cavity: Contains the spinal cord
    • Thoracic Cavity: Contains heart and lungs
    • Abdominal Cavity: Contains digestive organs
    • Pelvic Cavity: Contains reproductive organs, and bladder
    • Abdominopelvic Cavity: Combination of abdominal and pelvic cavities
    • Dorsal Cavity: Includes cranial and spinal cavities
    • Ventral Cavity: Includes thoracic and abdominopelvic cavities
    • Diaphragm: Muscle separating thoracic and abdominal cavities
    • Mediastinum: Central part of the thoracic cavity
    • Pericardial Cavity: Surrounds the heart
    • Pleural Cavities: Surround the lungs
    • Abdominal Quadrants: Right Upper Quadrant (RUQ), Left Upper Quadrant (LUQ), Right Lower Quadrant (RLQ), Left Lower Quadrant (LLQ)

    Difference Between Parietal and Visceral Serous Membranes

    • Parietal: Lines cavity walls
    • Visceral: Covers organs

    Homeostatic Control System Steps

    • Stimulus: Change detected in the environment
    • Receptor: Detects the stimulus
    • Control Center: Processes information and decides response
    • Effector: Carries out the response to restore balance

    Dehydration Synthesis vs. Hydrolysis

    • Dehydration Synthesis: A chemical reaction joining two molecules by removing a water molecule. Builds larger molecules (proteins, carbohydrates, nucleic acids).
    • Hydrolysis: The opposite of dehydration synthesis. Breaks down larger molecules into smaller units by adding a water molecule.

    Definitions for Mixtures and Measurements

    • Solutes: Substances dissolved in a solution (e.g., salt in saltwater)
    • Solution: A homogeneous mixture of solute dissolved in a solvent (e.g., sugar in water)
    • Colloid: A mixture where particles are dispersed but not dissolved, and they do not settle out (e.g., milk, gelatin)
    • Suspension: A heterogeneous mixture with large particles that settle out over time (e.g., sand in water, blood)

    Biological Macromolecules

    • Lipids: Non-polar molecules used for long-term energy storage, insulation, and cell membrane structure (e.g., triglycerides, phospholipids, steroids)
    • Carbohydrates: Provide quick energy and structural support (e.g., monosaccharides, disaccharides, polysaccharides)
    • Nucleic Acids: Store and transmit genetic information (e.g., DNA, RNA, ATP)
    • Proteins: Perform structural, enzymatic, and regulatory functions (e.g., enzymes, hormones, antibodies)

    Protein Denaturation

    • The process where a protein loses its three-dimensional structure due to external stress (heat, pH changes, or chemicals). This loss of structure causes the protein to lose its function.

    Cellular Structures and Organelles

    • Centrioles: Cylinder-shaped structures that organize the mitotic spindle during cell division
    • Cytoplasm and Cytosol: Cytoplasm includes all contents within the cell membrane (excluding the nucleus) and the cytosol is the fluid portion of cytoplasm
    • Cytoskeleton: Provides structural support, aiding in cell movement, and organizing organelles
    • Golgi Apparatus: Modifies, packages, and sorts proteins and lipids for secretion or delivery
    • Lysosomes and Peroxisomes: Lysosomes break down waste materials, peroxisomes break down fatty acids and neutralize toxic compounds
    • Microvilli: Increase surface area to enhance absorption
    • Mitochondria: Generate ATP through cellular respiration
    • Nucleus: Control center of the cell, housing DNA
    • Nucleolus: Region within the nucleus where ribosomal RNA is synthesized
    • Plasma Membrane: Selectively permeable phospholipid bilayer surrounding the cell
    • Ribosomes: Site of protein synthesis (free-floating or attached to rough ER)
    • Rough Endoplasmic Reticulum (RER): Synthesizes and modifies proteins
    • Smooth Endoplasmic Reticulum (SER): Involved in lipid synthesis, detoxification, and calcium storage

    Cellular Division

    • Interphase: Preparation for cell division
      • G1 Phase: Cell growth and normal functions
      • S Phase: DNA replication
      • G2 Phase: Cell continues to grow, produces proteins, and checks for DNA errors
    • Mitotic Phase (M Phase): Cell division
      • Prophase: Chromatin condenses, nuclear envelope breaks down, and spindle fibers form.
      • Metaphase: Chromosomes align at the metaphase plate.
      • Anaphase: Sister chromatids separate.
      • Telophase: Chromosomes decondense, nuclear envelopes reform, and spindle fibers disassemble
    • Cytokinesis: Cytoplasm divides, resulting in two genetically identical daughter cells

    Tissue Organization

    • Exocrine Glands: Secrete substances onto epithelial surfaces (ducts)
    • Apocrine Glands: Secrete substances by pinching off part of the cell cytoplasm
    • Holocrine Glands: Secrete substances by rupturing the entire cell

    Common Features of Connective, Epithelial, Neurological, and Muscle Tissues

    • Connective Tissue: Provides support, protection, and stores energy. Rich in extracellular matrix (ECM)
    • Epithelial Tissue: Covers surfaces, lines cavities, forms glands, tightly packed cells with minimal ECM.
    • Neurological Tissue: Transmits electrical impulses, processes information and provides support for neurons
    • Muscle Tissue: Responsible for movement (contraction)

    Types of Epithelial Tissues

    • Simple Squamous: Single layer of flat cells (e.g., lining blood vessels)
    • Simple Cuboidal: Single layer of cube-shaped cells (e.g., kidney tubules)
    • Simple Columnar: Single layer of tall cells (e.g., lining of the stomach)
    • Pseudostratified Columnar: Appears layered, all cells touch the basement membrane (e.g., trachea)
    • Nonciliated Simple Columnar: Contains microvilli (e.g., digestive tract)
    • Ciliated Simple Columnar: Contains cilia for movement (e.g., bronchi/uterine tubes)
    • Stratified Squamous: Multiple layers of flat cells (e.g., skin)
    • Stratified Cuboidal: Multiple layers of cube-shaped cells (e.g., sweat glands)
    • Stratified Columnar: Multiple layers of columnar cells (e.g., male urethra)
    • Transitional: Cells change shape depending on stretch (e.g., urinary bladder)

    Components of Connective Tissue

    • Cells: Fibroblasts, macrophages, mast cells, adipocytes.
    • Extracellular Matrix: Ground substance (gel-like) and protein fibers (collagen, elastic, reticular).

    Types of Connective Tissues

    • Loose Connective Tissue: Areolar, Adipose, Reticular.
    • Dense Connective Tissue: Dense regular, Dense irregular, Elastic.
    • Supporting Connective Tissues: Cartilage (hyaline, fibrocartilage, elastic) & Bone

    Fluid Connective Tissue

    • Blood: Carries oxygen, nutrients, and waste products
    • Lymph: Part of the immune system, found in lymphatic vessels

    Muscle Tissues

    • Skeletal Muscle: Striated, voluntary control, multi-nucleated cells for movement of bones
    • Smooth Muscle: Non-striated, involuntary control, single nucleus per cell for moving substances through organs
    • Cardiac Muscle: Striated, involuntary control, and has intercalated discs, pumps blood

    Nervous Tissue

    • Function: Transmits electrical impulses (communication)
    • Structure: Composed of neurons (nerve cells) and glial cells (supporting cells)
    • Location: Brain, spinal cord, and peripheral nerves

    Layers of the Epidermis (Deep to Superficial)

    • Stratum Basale: Single layer of cuboidal/columnar cells, stem cells for keratinocytes
    • Stratum Spinosum: Several layers of keratinocytes connected by desmosomes
    • Stratum Granulosum: 3-5 layers of flattened keratinocytes with keratohyalin granules
    • Stratum Lucidum: Thin, translucent layer of dead keratinocytes (only in thick skin)
    • Stratum Corneum: 20-30 layers of dead, flattened keratinocytes forming a waterproof barrier

    Cells in the Stratum Basale

    • Keratinocytes: Produce keratin, constantly divide
    • Melanocytes: Produce melanin, protecting from UV radiation
    • Tactile (Merkel) Cells: Sensory receptors for light touch

    Epidermal Dendritic Cells (Langerhans Cells)

    • Immune cells that detect and respond to pathogens.

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    Test your knowledge on fundamental biological concepts, including types of reactions, mixtures, and the functions of macromolecules. This quiz covers essential terms and definitions related to anatomy and physiology, providing a comprehensive look at the human body's organization. Challenge yourself and see how well you understand the intricacies of life sciences.

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