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 transporting nutrients, gases, and wastes throughout the body?

Respiratory system

Digestive system

Circulatory system

Nervous system

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Verified step by step guidance

Step 1: Begin by identifying the primary function of each organ system listed in the problem. For example, the respiratory system is responsible for gas exchange (oxygen and carbon dioxide), the digestive system is responsible for breaking down food and absorbing nutrients, the nervous system is responsible for communication and control, and the circulatory system is responsible for transporting substances throughout the body.

Step 2: Focus on the key terms in the question: 'transporting nutrients, gases, and wastes.' This indicates the need for a system that moves substances to and from cells across the body.

Step 3: Recall that the circulatory system includes the heart, blood vessels, and blood. It is responsible for transporting oxygen from the lungs, nutrients from the digestive system, and waste products to excretory organs like the kidneys.

Step 4: Compare the functions of the other systems to confirm they do not primarily perform the task described. For example, the respiratory system facilitates gas exchange but does not transport nutrients or wastes, and the digestive system absorbs nutrients but does not transport gases or wastes.

Step 5: Conclude that the circulatory system is the correct answer because it fulfills the role of transporting nutrients, gases, and wastes throughout the body via blood circulation.