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 Heart2h 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

Overview of Lymphoid Organs

Anatomy & Physiology

20. The Lymphatic System

Overview of Lymphoid Organs

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Multiple Choice

What lymphatic structures trap bacteria in the posterior oral cavity?

palatine tonsils

submandibular tonsils

pharyngeal tonsils

tubal tonsils

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Verified step by step guidance

Begin by understanding the role of the lymphatic system in the body, which includes trapping and destroying bacteria and other pathogens.

Identify the location of the posterior oral cavity, which is the area at the back of the mouth near the throat.

Learn about the tonsils, which are lymphatic structures located in the oral cavity and pharynx. They play a crucial role in immune defense by trapping bacteria and other pathogens.

Differentiate between the types of tonsils: palatine tonsils are located on either side of the oral cavity, pharyngeal tonsils (also known as adenoids) are located in the roof of the nasopharynx, and tubal tonsils are located near the openings of the Eustachian tubes.

Understand that the palatine tonsils are primarily responsible for trapping bacteria in the posterior oral cavity, while the other tonsils also contribute to immune defense in nearby regions.