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

Which of the following is a primary function of blood in the human body?

Generating electrical impulses for muscle contraction

Storing calcium for bone strength

Producing hormones for growth

Transporting oxygen and nutrients to cells

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Verified step by step guidance

Understand the primary functions of blood in the human body. Blood is a vital fluid that performs several key roles essential for maintaining homeostasis.

Recognize that one of the main functions of blood is to transport substances throughout the body. This includes the delivery of oxygen from the lungs to the cells and the transport of nutrients absorbed from the digestive tract to various tissues.

Consider the role of red blood cells, which contain hemoglobin, a protein that binds oxygen in the lungs and releases it in tissues where it is needed for cellular respiration.

Acknowledge that blood also carries waste products away from cells to be excreted, such as carbon dioxide to the lungs and urea to the kidneys.

Conclude that while blood has many functions, the primary function relevant to this question is the transportation of oxygen and nutrients to cells, which is crucial for sustaining life and supporting cellular activities.