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

Levels of Organization

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Levels of Organization

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Multiple Choice

Which of the following best describes the concept of homeostasis in the human body?

The production of energy through the breakdown of glucose in the presence of oxygen.

The ability of the body to adapt to new environments by altering its genetic code.

The maintenance of a stable internal environment despite changes in external conditions.

The process of increasing body temperature in response to cold environments.

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Verified step by step guidance

Understand the concept of homeostasis: Homeostasis refers to the body's ability to maintain a stable internal environment despite changes in external conditions. This involves various physiological processes that regulate factors such as temperature, pH, and electrolyte balance.

Identify the key components of homeostasis: These include sensors that detect changes, control centers that process this information, and effectors that enact changes to return the body to its set point.

Consider examples of homeostasis: Common examples include temperature regulation, where the body maintains a constant temperature through mechanisms like sweating or shivering, and blood glucose regulation, where insulin and glucagon help maintain stable glucose levels.

Differentiate homeostasis from other processes: Unlike energy production or genetic adaptation, homeostasis specifically focuses on maintaining equilibrium within the body's internal environment.

Apply the concept to the given options: Evaluate each option to determine which one aligns with the definition of homeostasis. The correct answer is the maintenance of a stable internal environment despite changes in external conditions.