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

Introduction to Adaptive Immunity

Anatomy & Physiology

21. The Immune System

Introduction to Adaptive Immunity

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Multiple Choice

Which of the following best describes a specific immune response?

It involves physical barriers like skin and mucous membranes.

It targets specific pathogens using antibodies and T cells.

It is the first line of defense against infections.

It provides immediate defense against all types of pathogens.

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Verified step by step guidance

Understand the concept of a specific immune response: It is a targeted defense mechanism that the body uses to fight off particular pathogens, such as bacteria, viruses, or other foreign invaders.

Recognize the role of antibodies: These are proteins produced by B cells that specifically bind to antigens on the surface of pathogens, marking them for destruction.

Identify the function of T cells: These are a type of lymphocyte that play a crucial role in the immune response by directly killing infected host cells, activating other immune cells, and regulating the immune response.

Differentiate between specific and non-specific immune responses: Specific immune responses are tailored to particular pathogens, whereas non-specific responses, like physical barriers and innate immunity, provide general protection against a wide range of pathogens.

Conclude that a specific immune response involves the adaptive immune system, which includes the production of antibodies by B cells and the action of T cells, targeting specific pathogens.