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

Erythrocytes: Hemoglobin

Anatomy & Physiology

17. The Blood

Erythrocytes: Hemoglobin

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Multiple Choice

Which substances can be carried in the blood bound to hemoglobin?

Glucose

Calcium

Oxygen

Cholesterol

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Verified step by step guidance

Understand the role of hemoglobin in the blood: Hemoglobin is a protein found in red blood cells that is primarily responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide from the body to the lungs.

Identify the substances that hemoglobin can bind to: Hemoglobin can bind to oxygen (O2) and carbon dioxide (CO2). It can also bind to carbon monoxide (CO), but this is not a normal physiological process and can be harmful.

Evaluate the list of substances provided: Glucose, calcium, and cholesterol are not typically transported by hemoglobin. These substances have different transport mechanisms in the blood.

Recognize that oxygen is the primary substance transported by hemoglobin: Oxygen binds to the iron in the heme group of hemoglobin, allowing it to be carried efficiently in the bloodstream.

Conclude that among the given options, oxygen is the correct answer as it is the substance that can be carried in the blood bound to hemoglobin.