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

21. The Immune System

Phagocytosis

Anatomy & Physiology

21. The Immune System

Phagocytosis

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Multiple Choice

Phagocytic cells include which of the following?

B cells

Erythrocytes

Neutrophils

T cells

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Verified step by step guidance

Understand the role of phagocytic cells: Phagocytic cells are a type of immune cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells. They are crucial for the body's defense against infections.

Identify the types of phagocytic cells: The primary phagocytic cells in the human body include neutrophils, macrophages, and dendritic cells. These cells are part of the innate immune system.

Differentiate between phagocytic and non-phagocytic cells: B cells and T cells are lymphocytes involved in the adaptive immune response and do not perform phagocytosis. Erythrocytes, or red blood cells, are responsible for oxygen transport and are not involved in phagocytosis.

Recognize the role of neutrophils: Neutrophils are the most abundant type of white blood cells and are one of the first responders to microbial infection. They are highly phagocytic and play a key role in the innate immune response.

Conclude with the correct identification: Based on the understanding of phagocytic cells and their functions, neutrophils are the correct answer as they are known for their phagocytic activity.