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

17. The Blood

Introduction To Blood

Anatomy & Physiology

17. The Blood

Introduction To Blood

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Multiple Choice

What is a primary function of blood in the human body?

Generating electrical impulses for muscle contraction

Transporting oxygen and nutrients to cells

Storing calcium for bone strength

Producing hormones for endocrine regulation

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Verified step by step guidance

Begin by identifying the main components of blood and their roles in the human body. Blood consists of red blood cells, white blood cells, platelets, and plasma.

Understand the role of red blood cells, which are primarily responsible for transporting oxygen from the lungs to the tissues and organs throughout the body.

Recognize that blood also carries nutrients absorbed from the digestive system to cells, supporting their metabolic functions.

Consider the other options provided: generating electrical impulses, storing calcium, and producing hormones. These functions are not primarily associated with blood. Electrical impulses are related to nerve cells, calcium storage is a function of bones, and hormone production is a function of endocrine glands.

Conclude that the primary function of blood is to transport oxygen and nutrients to cells, which is essential for maintaining cellular function and overall homeostasis in the body.