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

Anatomy & Physiology

17. The Blood

Erythrocytes

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Multiple Choice

Which type of cell has the shape of a biconcave disc?

Erythrocyte

Neuron

Platelet

Leukocyte

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Verified step by step guidance

Identify the key characteristics of each cell type mentioned in the problem: Erythrocyte, Neuron, Platelet, and Leukocyte.

Understand that a biconcave disc shape is a specific structural feature that enhances the cell's function, particularly in terms of surface area and flexibility.

Recall that erythrocytes, also known as red blood cells, are specialized for transporting oxygen and carbon dioxide in the blood. Their biconcave disc shape increases surface area for gas exchange and allows them to deform as they pass through narrow capillaries.

Differentiate between the cell types: Neurons are nerve cells with a unique structure for transmitting signals, Platelets are small cell fragments involved in blood clotting, and Leukocytes are white blood cells involved in immune response.

Conclude that the cell type with a biconcave disc shape is the erythrocyte, as this shape is crucial for its role in the circulatory system.