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

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which organ system is primarily responsible for protecting the body from external damage and regulating body temperature?

Digestive system

Endocrine system

Integumentary system

Respiratory system

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Verified step by step guidance

Understand the role of each organ system mentioned in the question: The digestive system processes food and absorbs nutrients, the endocrine system regulates hormones, the respiratory system facilitates gas exchange, and the integumentary system protects the body and regulates temperature.

Recall the primary functions of the integumentary system: It includes the skin, hair, nails, and associated glands, and is responsible for protecting the body from external damage, preventing water loss, and regulating body temperature through mechanisms like sweating and blood flow adjustments.

Eliminate the incorrect options: The digestive system, endocrine system, and respiratory system do not have primary roles in external protection or temperature regulation.

Confirm the correct answer: The integumentary system is the organ system that fulfills the functions described in the question.

Conclude that the integumentary system is the correct answer based on its primary functions of protection and temperature regulation.