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

20. The Lymphatic System

Secondary Lymphoid Organs: The Spleen

Anatomy & Physiology

20. The Lymphatic System

Secondary Lymphoid Organs: The Spleen

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Multiple Choice

What is the primary function of red pulp in the spleen?

Filtering & removing old/defective erythrocytes.

Activating the adaptive immune response when a pathogen is identified.

Producing new leukocytes.

Gas exchange.

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Verified step by step guidance

Understand the structure of the spleen: The spleen is divided into two main types of tissue, the red pulp and the white pulp. Each has distinct functions related to blood and immune system processes.

Identify the role of red pulp: The red pulp is primarily involved in filtering the blood. It contains a network of sinuses and cords that trap and break down old or defective erythrocytes (red blood cells).

Consider the process of erythrocyte removal: As blood flows through the spleen, the red pulp acts as a filtration system, removing aged or damaged erythrocytes from circulation. This helps maintain healthy blood cell levels.

Differentiate from other functions: While the spleen is involved in immune responses, the activation of the adaptive immune response is primarily associated with the white pulp, not the red pulp. Similarly, gas exchange is a function of the lungs, not the spleen.

Conclude the primary function: Based on the structure and role of the red pulp, its primary function is filtering and removing old or defective erythrocytes from the bloodstream.