Anatomy and Physiology Overview

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Questions and Answers

What is the primary focus of anatomy?

  • The examination of physiological processes at a cellular level
  • The study of the structure and shape of the body and its parts (correct)
  • The art of separating living organisms for observation
  • The study of how the body and its parts function

Which anatomical approach focuses on large structures visible to the naked eye?

  • Surface anatomy
  • Microscopic anatomy
  • Regional anatomy
  • Gross anatomy (correct)

In which division of anatomy would the complete internal anatomy of the arm be studied?

  • Regional anatomy (correct)
  • Microscopic anatomy
  • Gross anatomy
  • Surface anatomy

What does physiology primarily investigate?

<p>The functions of the body's parts (C)</p> Signup and view all the answers

How does the structure of the lungs relate to their function?

<p>The thin walls of the lungs facilitate gas exchange. (B)</p> Signup and view all the answers

What is neurophysiology concerned with?

<p>The workings of the nervous system (A)</p> Signup and view all the answers

What does the term 'physio' in physiology primarily relate to?

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

What aspect does surface anatomy study?

<p>Visible external features of the body (A)</p> Signup and view all the answers

What does human physiology primarily focus on?

<p>The chemistry and physics of body structures (D)</p> Signup and view all the answers

Which of the following best describes systemic anatomy?

<p>It examines the structures that compose a specific organ system (B)</p> Signup and view all the answers

What is the primary purpose of studying regional anatomy?

<p>To appreciate the interactions of structures within a specific body region (A)</p> Signup and view all the answers

What type of anatomy investigates structures that are not visible to the naked eye?

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

Which of the following organ systems is involved in balancing body temperature?

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

What does the process of development entail in human biology?

<p>The specialization of structures and functions over a lifetime (B)</p> Signup and view all the answers

In the context of movement, what does it refer to besides joint actions?

<p>The motion of organs and individual cells (B)</p> Signup and view all the answers

How many organ systems are the human body divided into?

<p>11 (A)</p> Signup and view all the answers

What is the process by which unspecialized cells become specialized in structure and function?

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

Which characteristic of life refers to an organism's ability to sense and react to stimuli?

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

What type of cell division is responsible for increasing the number of existing cells in an organism?

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

Which statement accurately describes meiosis?

<p>It results in four haploid gametes. (C)</p> Signup and view all the answers

What is the main function of reproduction in living organisms?

<p>To create new organisms from parent organisms (C)</p> Signup and view all the answers

Which process does NOT require energy for transport across cell membranes?

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

What occurs during the process of osmosis?

<p>Diffusion of water across a semipermeable membrane (A)</p> Signup and view all the answers

What provides the basic structure of living organisms?

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

What is the main difference between anabolism and catabolism?

<p>Anabolism is related to energy consumption, whereas catabolism involves energy release. (C)</p> Signup and view all the answers

Which of the following choices accurately describes phagocytosis?

<p>The act of a cell consuming large particles. (C)</p> Signup and view all the answers

Which statement best characterizes the levels of organization in biology?

<p>Chemical organization includes atoms and molecules that form the simplest units of matter. (C)</p> Signup and view all the answers

Which of the following elements is NOT essential for building the structures of living organisms?

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

What role do molecules such as water and proteins play in living systems?

<p>They serve as the chemical building blocks of all body structures. (C)</p> Signup and view all the answers

Which statement accurately describes the relationship between tissues and organs?

<p>An organ is composed of two or more tissue types to perform specific functions. (D)</p> Signup and view all the answers

What is homeostasis primarily concerned with?

<p>Maintaining a steady internal condition within the body. (D)</p> Signup and view all the answers

Which of the following best defines an organ system?

<p>A collection of organs that collaborate to fulfill physiological requirements. (A)</p> Signup and view all the answers

What characterizes a cell as the basic functional unit of life?

<p>Every cell can perform all functions necessary for life. (D)</p> Signup and view all the answers

Which of the following statements about genes is true?

<p>Genes influence the hereditary traits passed down from parents. (D)</p> Signup and view all the answers

Flashcards

Anatomy

The study of the structure and shape of the body and body parts, and their relationships to each other.

Physiology

The study of how the body and its parts work or function.

Gross Anatomy

Study of structures visible with the naked eye.

Surface Anatomy

Study of structures on the surface of the body.

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Regional Anatomy

Study of specific body regions' complete anatomy.

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Relationship Anatomy/Physiology

Structure determines function.

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Example of Structure-Function Relationship

Lungs have thin walls for gas exchange, unlike the heart's muscular chambers for pumping.

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Anatomy origin

The Greek words 'tomy' (to cut) and 'ana' (apart).

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Human Physiology

The study of how the structures of the body work together to support life, focusing on the body's chemistry and physics.

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Homeostasis

The body's tendency to maintain a stable internal environment, crucial for life.

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Systemic Anatomy

The study of organ systems, groups of structures working together for a specific function.

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Body Systems

The 11 groups of organs that perform different functions in the human body, e.g., muscular, nervous, respiratory, etc..

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Microscopic Anatomy

The study of structures smaller than what can be seen with the naked eye, requiring a microscope.

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Cytology

The scientific study of cells.

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Human Movement

The actions of joints, organs, or cells in displacement and motion.

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Phagocytosis

The process where a cell engulfs and digests solid particles, like bacteria or cellular debris.

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Endocytosis

The process where a cell engulfs and brings in fluid droplets or dissolved substances into the cell.

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Sexual Reproduction

A form of reproduction involving the fusion of male and female gametes (sperm and egg) to create offspring with genetic diversity.

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Asexual Reproduction

A form of reproduction involving a single parent producing genetically identical offspring.

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Metabolism

The sum of all chemical reactions occurring within a living organism to maintain life.

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Cell Differentiation

The process where unspecialized cells become specialized in structure and function to perform specific tasks.

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Growth in Organisms

Increase in size of an organism through increasing cell numbers or the bulk around them.

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Mitosis

Cell division creating identical cells used for growth and repair.

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Meiosis

Cell division producing sex cells (gametes).

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Gametes

Sex cells produced through meiosis used for reproduction.

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Reproduction

Formation of a new organism from parent organisms.

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Passive Transport

Movement of substances across cell membranes without energy.

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Active Transport

Movement of substances across cell membranes requiring energy.

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What is a cell?

The smallest, independently functioning unit of a living organism; it's the basic building block of all living things and performs all the essential functions of life.

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What are organelles?

Tiny functioning units within a cell that work together to perform specific tasks. Examples include the nucleus, mitochondria, and ribosomes.

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Tissue

A group of similar cells that work together to perform a specific function. Example: Muscle tissue contracts for movement.

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Organ

A structure made of at least two different types of tissues that work together. Example: The heart is made of muscle, connective, and nerve tissue.

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Organ system

A group of organs that work together to perform major functions for the body. Example: The digestive system breaks down food and absorbs nutrients.

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Study Notes

Anatomy

  • Study of the structure and shape of the body and its parts, and their relationships
  • Comes from Greek words meaning "to cut apart"
  • Examines the structure and relationships among body parts
  • Involves separating parts to determine position, relations, and structure
  • Understanding anatomy helps determine functions

Physiology

  • Study of how the body and its parts function
  • Includes subdivisions like neurophysiology (nervous system) and cardiac physiology (heart)
  • Studies the normal function of the human body (maintaining life)
  • Examines the chemistry and physics of body structures and how they work together

Relationship between Anatomy and Physiology

  • Structure dictates function
  • Example: Lungs are thin-walled, not muscular, allowing for gas exchange, unlike the muscular heart.

Divisions of Anatomy

  • Gross Anatomy: Structures visible to the naked eye (muscles, bones, organs)
  • Surface Anatomy: Structures seen on the body's surface
  • Regional Anatomy: Internal structures of a specific body region (e.g., arm)
  • Systemic Anatomy: Structures making up a body system (e.g., cardiovascular system)
  • Microscopic Anatomy: Structures requiring a microscope (cells, tissues)

Characteristics of Life

  • Organization: Living things are made of cells, organized in a hierarchical manner

  • Responsiveness: Ability to react to changes internally and externally (e.g., sweating in response to heat)

  • Movement: Includes the motion of organs and individual cells.

  • Development and Growth: Changes in structure & function throughout life, including differentiation (cells becoming specialized)

  • Reproduction: Creation of new organisms

  • Metabolism: Breaking down and building up of molecules for energy and growth

  • Growth: Increase in body size.

  • Genes (Heredity): Traits passed from parents to offspring

  • Homeostasis: Maintains internal conditions (balance of fluids and chemicals)

Levels of Organization

  • Atoms: Simplest building blocks of matter (proton, electron, neutron)
  • Molecules: Formed by combinations of atoms (e.g., water)
  • Cells: The basic functional and structural units of living organisms
  • Tissues: Groups of similar cells working together
  • Organs: Structures composed of two or more tissue types
  • Organ Systems: Groups of organs with related functions
  • Organism: A complete living individual

Other Details

  • Organelles: Tiny functioning units within cells
  • System: Group of organs that work together

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