Anatomy and Physiology Overview
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Questions and Answers

What is the study of the structure of body parts and their relationship to one another?

Anatomy

What is the study of the function of body parts, how they work to carry out life-sustaining activities?

Physiology

What type of anatomy deals with large, visible structures?

Gross or macroscopic anatomy

What type of anatomy deals with structures too small to be seen by the naked eye?

<p>Microscopic anatomy</p> Signup and view all the answers

What type of anatomy examines all structures in a particular area of the body?

<p>Regional anatomy</p> Signup and view all the answers

What type of anatomy focuses on just one system in the body, such as cardiovascular, nervous, muscular, etc.?

<p>System anatomy</p> Signup and view all the answers

What type of anatomy looks at internal structures as they relate to overlying skin?

<p>Surface anatomy</p> Signup and view all the answers

What is microscopic study of cells?

<p>Cytology</p> Signup and view all the answers

What is microscopic study of tissues?

<p>Histology</p> Signup and view all the answers

What type of anatomy studies anatomical and physiological development throughout life?

<p>Developmental anatomy</p> Signup and view all the answers

What is the study of developments before birth?

<p>Embryology</p> Signup and view all the answers

What does it mean to palpate?

<p>To feel</p> Signup and view all the answers

What does it mean to auscultate?

<p>To listen</p> Signup and view all the answers

What is the study of how the kidneys work?

<p>Renal physiology</p> Signup and view all the answers

What is the study of how the heart works?

<p>Cardiovascular physiology</p> Signup and view all the answers

What does Complementarity of Structure and Function refer to?

<p>Function always reflects structure; what a structure can do depends on its specific form.</p> Signup and view all the answers

What are the components of the chemical level?

<p>Atoms, molecules, and organelles</p> Signup and view all the answers

What is the cellular level?

<p>Single cell</p> Signup and view all the answers

What is the tissue level?

<p>Bunch of cells that have a combined function</p> Signup and view all the answers

What is the organ level?

<p>Contains two or more types of tissues</p> Signup and view all the answers

What is the organ system level?

<p>Organs that work closely together</p> Signup and view all the answers

What are the necessary life functions that are involved in maintaining life?

<p>Maintaining boundaries, movement, responsiveness, digestion, metabolism, excretion, reproduction, and growth</p> Signup and view all the answers

What is the process of using chemistry to break things apart?

<p>Catabolism</p> Signup and view all the answers

What is the process of using chemistry to put things together?

<p>Anabolism</p> Signup and view all the answers

What is the collective term for all chemical reactions that occur in body cells?

<p>Metabolism</p> Signup and view all the answers

What is the process of getting rid of waste products in the body?

<p>Excretion</p> Signup and view all the answers

What is the process of reproduction in the body?

<p>Production of offspring and cell division</p> Signup and view all the answers

What is the process of growth in the body?

<p>Increase in size of both cells and organisms</p> Signup and view all the answers

What does maintaining boundaries refer to in the context of the body?

<p>Separation between internal and external environments must exist</p> Signup and view all the answers

What is the role of the muscular system in movement?

<p>Allows manipulation of the environment and locomotion</p> Signup and view all the answers

What is responsiveness in the context of the body?

<p>Ability to sense and respond to stimuli</p> Signup and view all the answers

What is the process of digestion in the body?

<p>Breakdown of ingested food followed by absorption of simple molecules into blood</p> Signup and view all the answers

What does contractility refer to at the cellular level?

<p>Refers to movement at the cellular level</p> Signup and view all the answers

What is the function of the Integumentary System?

<p>Forms the external body covering and protects deeper tissues from injury</p> Signup and view all the answers

What is the function of the Skeletal System?

<p>Protects and supports body organs and provides a framework for the muscles</p> Signup and view all the answers

What is the function of the Muscular System?

<p>Allows manipulation of the environment and locomotion</p> Signup and view all the answers

What is the function of the Nervous System?

<p>As the fast-acting control system of the body, responds to internal and external changes</p> Signup and view all the answers

What is the function of the Endocrine System?

<p>Glands secrete hormones that regulate processes such as growth and metabolism</p> Signup and view all the answers

What is the function of the Cardiovascular System?

<p>Blood vessels transport blood which carries oxygen, carbon dioxide, nutrients, and wastes</p> Signup and view all the answers

What is the function of the Lymphatic System?

<p>Picks up fluid leaked from blood vessels and returns it to blood</p> Signup and view all the answers

What is the function of the Immune System?

<p>Mounts the attack against foreign (non-self) substances within the body</p> Signup and view all the answers

What is the function of the Respiratory System?

<p>Keeps blood constantly supplied with oxygen and removes carbon dioxide</p> Signup and view all the answers

What is the function of the Digestive System?

<p>Breaks down food into absorbable units that enter the blood for distribution to body cells</p> Signup and view all the answers

What are indigestible foodstuffs?

<p>Are eliminated as feces</p> Signup and view all the answers

What is the function of the Urinary System?

<p>Eliminates nitrogenous wastes from the body</p> Signup and view all the answers

What are the main functions of the Urinary System?

<p>Water regulation, electrolyte regulation, and acid-base balance</p> Signup and view all the answers

What is the overall function of the Male Reproductive System?

<p>Production of offspring</p> Signup and view all the answers

What is the function of the Testes?

<p>Produce sperm and male sex hormone testosterone</p> Signup and view all the answers

What is the role of the Male ducts and glands?

<p>Aid in delivery of sperm to the female reproductive tract during sexual reproduction</p> Signup and view all the answers

What is Estrogen?

<p>A female sex hormone produced by the ovaries</p> Signup and view all the answers

What is Progesterone?

<p>A female sex hormone produced by the ovaries</p> Signup and view all the answers

What is the role of Female structures?

<p>Serve as sites for fertilization and development of the fetus</p> Signup and view all the answers

What is the function of Mammary glands?

<p>Produce milk to nourish the newborn</p> Signup and view all the answers

What are survival needs?

<p>Humans need several factors for survival that must be in the appropriate amounts</p> Signup and view all the answers

What are Nutrients?

<p>Chemicals for energy and cell building</p> Signup and view all the answers

What are Carbohydrates?

<p>Major source of energy</p> Signup and view all the answers

What are Proteins?

<p>Needed for cell building and cell chemistry</p> Signup and view all the answers

What are Fats?

<p>Long-term energy storage</p> Signup and view all the answers

Why is Oxygen essential for the body?

<p>Essential for release of energy from foods; the body can survive only a few minutes without it.</p> Signup and view all the answers

What is the importance of water for the body?

<p>Most abundant chemical in body; provides the watery environment needed for chemical reactions</p> Signup and view all the answers

What is the importance of normal body temperature?

<p>Should be around 98.6 F/ 37 C; required to maintain at a particular level to function optimally</p> Signup and view all the answers

What is the importance of appropriate atmospheric pressure?

<p>Necessary for breathing and gas exchange</p> Signup and view all the answers

What is Homeostasis?

<p>The maintenance of relatively stable internal conditions despite continuous changes in environment</p> Signup and view all the answers

What are Homeostatic Controls?

<p>Body must constantly be monitored and regulated to maintain homeostasis</p> Signup and view all the answers

What are the major roles played by the Nervous system and Endocrine system in maintaining homeostasis?

<p>Have the largest roles in maintaining homeostasis</p> Signup and view all the answers

What are Variables?

<p>Factors that can change and need to be kept within range</p> Signup and view all the answers

What is a Receptor?

<p>Something that can sense change (temperature, chemical)</p> Signup and view all the answers

What is the Control center?

<p>CNS (brain, spinal cord), decides if action needs to be taken, sends to effector</p> Signup and view all the answers

What is the Effector?

<p>Does the action of fixing the problem once the message is received</p> Signup and view all the answers

What is the role of the Receptor (sensor) in the feedback loop?

<p>Monitors environment; sensitive to pressure, heat, and chemicals; responds to stimuli</p> Signup and view all the answers

What are Stimuli in the context of homeostasis?

<p>Things that cause changes in controlled variables</p> Signup and view all the answers

What is the Set point?

<p>Determines the response and the variable at which it is maintained</p> Signup and view all the answers

What is the role of a Ebector?

<p>Receives output from control center and provides the means to respond</p> Signup and view all the answers

What are the different types of Muscles?

<p>Includes skeletal muscle, smooth muscle, and cardiac muscle</p> Signup and view all the answers

What is the role of Glands in the feedback loop?

<p>Respond by reducing output (negative feedback) or enhancing output (positive feedback)</p> Signup and view all the answers

What is Negative feedback?

<p>Most-used feedback mechanism in body; response reduces or shuts off original stimulus</p> Signup and view all the answers

What is Homeostatic Imbalance?

<p>Umbrella term that refers to anything out of balance, increasing the risk of disease</p> Signup and view all the answers

What is Standard anatomical position?

<p>Body erect, feet slightly apart, palms facing forward with thumbs pointing away from body</p> Signup and view all the answers

What are Directional terms?

<p>Describe one body structure in relation to another; based on standard anatomical position</p> Signup and view all the answers

What is the main mechanism involved in Regulation of body temperature?

<p>A nervous system mechanism</p> Signup and view all the answers

What is the main mechanism involved in Regulation of blood glucose by insulin?

<p>An endocrine system mechanism</p> Signup and view all the answers

What are Chemoreceptors?

<p>Receptors that sense decreased glucose levels</p> Signup and view all the answers

What is Glucagon?

<p>Hormone released by glands in pancreas to bring blood glucose levels up</p> Signup and view all the answers

What is the role of Oxytocin in the feedback loop?

<p>Enhances labor contractions in positive feedback</p> Signup and view all the answers

What is Platelet plug formation?

<p>A positive feedback mechanism involved in blood clotting</p> Signup and view all the answers

What happens when negative feedback mechanisms become overwhelmed?

<p>Heart failure occurs</p> Signup and view all the answers

What is the role of Aging in Homeostatic Imbalance?

<p>Contributes to changes associated with homeostatic imbalance</p> Signup and view all the answers

What does Appendicular refer to?

<p>Limbs (legs and arms)</p> Signup and view all the answers

Flashcards

Anatomy

Study of the structure of body parts and their relationship to one another.

Physiology

Study of the function of body parts; how they work to carry out life-sustaining activities.

Gross/Macroscopic Anatomy

The study of large, visible structures.

Microscopic Anatomy

Deals with structures too small to be seen by naked eye.

Signup and view all the flashcards

Regional Anatomy

Looks at all structures in a particular area of the body.

Signup and view all the flashcards

System Anatomy

Looks at just one system, such as cardiovascular, nervous, muscular, etc.

Signup and view all the flashcards

Surface Anatomy

Looks at internal structures as they relate to overlying skin.

Signup and view all the flashcards

Cytology

Microscopic study of cells.

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Histology

Microscopic study of tissues.

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Developmental Anatomy

Studies anatomical and physiological development throughout life.

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Embryology

Study of developments before birth.

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Palpate

To feel.

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Auscultate

To listen (ex - stethoscope).

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Manipulate

To move.

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Renal Physiology

How do kidneys work?

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Cardiovascular Physiology

How does the heart work?

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Complementarity of Structure and Function

Function always reflects structure; what a structure can do depends on its specific form.

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Chemical Level

Atoms, molecules, and organelles.

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Cellular Level

Single cell.

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Tissue Level

Bunch of cells that have a combined function.

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Organ Level

Contains two or more types of tissues.

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Organ System Level

Organs that work closely together.

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Organismal Level

All organ systems combined to make the whole organism.

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Necessary Life Functions

Maintenance of life involves maintaining boundaries, movement, responsiveness, digestion, and metabolism.

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Catabolism

Using chemistry to break things apart

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Anabolism

Using chemistry to put things together

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Metabolism

All chemical reactions that occur in body cells

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Excretion

Getting rid of waste products (ex: co2)

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Reproduction

Of the body and of the cells

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Growth

Of both cells and organisms

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Maintaining Boundaries

Separation between internal and external environments must exist

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Movement

Muscular system allows movement

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Responsiveness

Ability to sense and respond to stimuli

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Digestion

Breakdown of ingested food followed by absorption of simple molecules into blood

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Contractility

Refers to movement at the cellular level

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Integumentary System

Forms the external body covering and protects deeper tissues from injury

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Skeletal System

Protects and supports body organs and provides a framework for the muscles

Signup and view all the flashcards

Muscular System

Allows manipulation of the environment and locomotion

Signup and view all the flashcards

Nervous System

As the fast-acting control system of the body, responds to internal and external changes

Signup and view all the flashcards

Endocrine System

Glands secrete hormones that regulate processes such as growth and metabolism

Signup and view all the flashcards

Cardiovascular System

Blood vessels transport blood which carries oxygen, carbon dioxide, nutrients, and wastes

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Lymphatic System

Picks up fluid leaked from blood vessels and returns it to blood

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Immune System

Mounts the attack against foreign (non-self) substances within the body

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Respiratory System

Keeps blood constantly supplied with oxygen and removes carbon dioxide.

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Gaseous Exchanges

Occur through the walls of the air sacs of the lungs.

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Digestive System

Breaks down food into absorbable units that enter the blood for distribution to body cells.

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Indigestible Foodstuffs

Are eliminated as feces.

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Urinary System

Eliminates nitrogenous wastes from the body.

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Water Regulation

A function of the urinary system.

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Electrolytes Regulation

A function of the urinary system.

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Acid-Base Balance

A function of the urinary system.

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Reproductive System: Male

Overall function is production of offspring.

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Study Notes

Anatomy and Physiology Overview

  • Anatomy: Study of body structure and relationships.
  • Physiology: Study of body function and how structures carry out life functions.
  • Gross Anatomy: Study of large, visible structures.
  • Microscopic Anatomy: Study of structures too small to be seen with the naked eye.
  • Regional Anatomy: Study of all structures in a specific area.
  • Systemic Anatomy: Study of one body system at a time.
  • Surface Anatomy: Study of internal structures as they relate to surface markings.
  • Cytology: Study of cells.
  • Histology: Study of tissues.
  • Developmental Anatomy: Study of structural and functional changes throughout life.
  • Embryology: Study of prenatal development.
  • Palpation: Feeling with hands.
  • Auscultation: Listening (e.g., with a stethoscope).
  • Manipulation: Moving body parts.
  • Complementarity of Structure and Function: Structure dictates function.

Levels of Organization

  • Chemical Level: Atoms, molecules, organelles.
  • Cellular Level: Single cells.
  • Tissue Level: Groups of similar cells with a common function.
  • Organ Level: Structures composed of two or more tissue types.
  • Organ System Level: Organs working together.
  • Organismal Level: All organ systems combined.

Necessary Life Functions

  • Maintaining Boundaries: Separating internal from external environments.
  • Movement: Internal and external movement.
  • Responsiveness: Ability to sense and react to stimuli.
  • Digestion: Breakdown of food.
  • Metabolism: All chemical reactions in the body.
  • Excretion: Removal of waste.
  • Reproduction: Cell and organism reproduction.
  • Growth: Increase in size.
  • Contractility: Cellular movement.

Body Systems

  • Integumentary System: External covering.
  • Skeletal System: Support and protection.
  • Muscular System: Movement.
  • Nervous System: Fast-acting control system.
  • Endocrine System: Hormones regulate processes.
  • Cardiovascular System: Blood transport.
  • Lymphatic System: Fluid balance and immunity.
  • Immune System: Defense against disease.
  • Respiratory System: Gas exchange (O2 and CO2).
  • Digestive System: Food breakdown.
  • Urinary System: Waste removal; water balance.
  • Reproductive System (Male): Sperm production.
  • Reproductive System (Female): Egg production, site for fertilization and development.

Survival Needs

  • Nutrients: Energy and building materials.
  • Oxygen: Essential for energy release.
  • Water: Most abundant substance in the body; solvent.
  • Normal Body Temperature: Needed for optimal chemical reactions.
  • Appropriate Atmospheric Pressure: Necessary for gas exchange.

Homeostasis

  • Homeostasis: Maintaining stable internal conditions.
  • Homeostatic Controls: Mechanisms to maintain homeostasis.
  • Nervous and Endocrine Systems: Major players in homeostasis.
  • Variables: Factors that fluctuate and need regulation.
  • Receptor: Detects changes.
  • Control Center: Processes the information and determines a response.
  • Effector: Executes the response.
  • Negative Feedback: Response reduces the original stimulus (most common).
  • Positive Feedback: Response enhances the original stimulus (less common).
  • Homeostatic Imbalance: Disruption of homeostasis, leading to disease.

Anatomical Terminology

  • Standard Anatomical Position: Erect posture, palms forward.
  • Directional Terms: Describe locations relative to each other.
  • Regional Terms: Designate specific areas of the body.
  • Body Planes: Imaginary surfaces used to divide the body.
  • Sagittal Plane: Divides the body vertically into left and right.
  • Appendicular: Limbs.
  • Axial: Head, neck, and trunk.

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Description

Explore the fundamental concepts of anatomy and physiology, including the different branches such as gross anatomy, microscopic anatomy, and systemic anatomy. Understand how structure and function complement each other in various biological systems. This quiz will test your knowledge of body structure and its functions.

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