Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

1. Introduction to Anatomy & Physiology

What is Anatomy & Physiology?

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

What is Anatomy & Physiology?

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2:02 minutes

Problem 25b

Textbook Question

(b) Define physiology.

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Physiology is the branch of biology that focuses on understanding the functions and mechanisms of living organisms, including how their organs, tissues, and cells work together to sustain life.

It examines processes such as respiration, circulation, digestion, and reproduction, as well as how these systems interact to maintain homeostasis.

Physiology also explores how organisms respond to external stimuli and adapt to changes in their environment.

The study of physiology often involves integrating knowledge from other scientific disciplines, such as biochemistry, molecular biology, and physics, to explain biological functions.

In summary, physiology provides insights into the dynamic processes that enable life, helping us understand both normal function and the basis of disease.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Definition of Physiology

Physiology is the branch of biology that studies the functions and mechanisms occurring in living organisms. It encompasses various levels of biological organization, from cellular processes to the functioning of entire systems, such as the circulatory or nervous systems. Understanding physiology is essential for comprehending how organisms maintain homeostasis and respond to environmental changes.

Homeostasis

Homeostasis refers to the ability of an organism to maintain a stable internal environment despite external fluctuations. This concept is crucial in physiology as it explains how various physiological processes work together to regulate factors like temperature, pH, and electrolyte balance. For example, the human body uses feedback mechanisms to regulate body temperature, ensuring optimal functioning.

Physiological Systems

Physiological systems are groups of organs and structures that work together to perform specific functions necessary for life. Examples include the respiratory system, which facilitates gas exchange, and the digestive system, which processes food for energy. Understanding these systems is vital for studying how different parts of an organism interact and contribute to overall health and functionality.

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Related Practice

Textbook Question

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.

_____Supine

a. Study of tissues

b. Constant internal environment

c. Face-up position

d. Study of functions

e. Positive feedback

f. Organ system

g. Study of cells

h. Negative feedback

i. Serous membrane

j. Study of internal and external body structures

k. Diaphragm

l. Tissue

m. Peritoneal cavity

n. Organ

o. Face-down position

views

Textbook Question

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.

____Prone

a. Study of tissues

b. Constant internal environment

c. Face-up position

d. Study of functions

e. Positive feedback

f. Organ system

g. Study of cells

h. Negative feedback

i. Serous membrane

j. Study of internal and external body structures

k. Diaphragm

l. Tissue

m. Peritoneal cavity

n. Organ

o. Face-down position

views

Textbook Question

The study of the structure of tissues is called (a) gross anatomy, (b) cytology, (c) histology, (d) organology.

(a) Define anatomy.

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.

_____Labor and delivery

a. Study of tissues

b. Constant internal environment

c. Face-up position

d. Study of functions

e. Positive feedback

f. Organ system

g. Study of cells

h. Negative feedback

i. Serous membrane

j. Study of internal and external body structures

k. Diaphragm

l. Tissue

m. Peritoneal cavity

n. Organ

o. Face-down position

views

Textbook Question

The fibula:

(a) Forms an important part of the knee joint

(b) Articulates with the femur

(d) Provides lateral stability to the ankle

(e) Does a and b

views

Multiple Choice

People who lift weights or participate in similar resistance exercise will typically have bones that are thicker and even restructured internally compared to people who do not lift weights. This increased thickness and restructuring results in stronger bones. As described here, is the difference between people who lift weights and those who don't a difference in anatomy or a difference in physiology?

Which describes an activity that would most likely be performed by someone that considers themselves a physiologist?