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 Innate Immunity

Anatomy & Physiology

21. The Immune System

Introduction to Innate Immunity

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Multiple Choice

Acidity in human sweat is part of which type of immune system?

Cell-mediated immune system

Humoral immune system

Innate immune system

Adaptive immune system

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Verified step by step guidance

Understand the components of the immune system: The immune system is divided into two main types: innate and adaptive. The innate immune system is the body's first line of defense and includes physical barriers, chemical barriers, and immune cells that respond quickly to pathogens.

Identify the role of acidity in sweat: Human sweat contains acidic components, which help to create an environment that is hostile to many pathogens. This is a chemical barrier that prevents the growth of bacteria and fungi on the skin.

Relate acidity in sweat to the immune system type: Since the acidity in sweat acts as a chemical barrier that is present from birth and does not require prior exposure to pathogens to be effective, it is part of the innate immune system.

Differentiate between innate and adaptive immunity: The innate immune system provides immediate defense against infection, while the adaptive immune system develops a targeted response to specific pathogens over time, involving memory cells.

Conclude the classification: Based on the role of acidity in sweat as a chemical barrier, it is classified under the innate immune system, which provides non-specific defense mechanisms against pathogens.