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

5. Integumentary System

Integumentary System: Thermoregulation

Anatomy & Physiology

5. Integumentary System

Integumentary System: Thermoregulation

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Multiple Choice

Most radiant heat is lost through which part(s) of the body?

The head

The abdomen

The feet

The hands

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Verified step by step guidance

Understand the concept of radiant heat loss: Radiant heat loss refers to the emission of infrared radiation from the body to the surrounding environment. This process is influenced by the surface area and the temperature difference between the body and the environment.

Consider the surface area and exposure: The head has a relatively large surface area compared to other parts of the body and is often exposed to the environment, making it a significant site for radiant heat loss.

Evaluate the insulation and blood flow: The head has less insulation compared to other parts of the body, such as the abdomen, which is usually covered by clothing. Additionally, the head has a rich blood supply, which can contribute to heat loss.

Analyze the role of extremities: While the feet and hands can lose heat, they are often covered by clothing or footwear, reducing their contribution to radiant heat loss compared to the head.

Conclude based on anatomical and physiological factors: Given the factors of surface area, exposure, insulation, and blood flow, the head is the primary site for radiant heat loss in the body.