10 Questions
What is the main function of the skin?
Regulation of body temperature
Which of the following is NOT a special derivative of the skin?
Red blood cells
What percentage of an adult human's total body weight does the skin account for?
15%
Which feature is used to recognize age, health, and youth according to the text?
Complexion
What is the skin referred to as by some people according to the text?
"Jack of all trades"
What is the primary function of the skin?
Protecting underlying tissues from mechanical shocks
Which function does the skin serve as?
Sensation
What does the skin prevent in hot weather?
Excessive loss of water by evaporation
What is one of the minor functions of the skin?
Synthesis of vitamin D
Which ill-effects can too much sunshine cause?
Increased tanning
Study Notes
Skin Functions
- The primary function of the skin is to protect the body from external damage.
Skin Characteristics
- The skin accounts for around 15% of an adult human's total body weight.
- The skin is referred to as the "mirror of the soul" by some people.
Skin Derivatives
- Hair, nails, and sebaceous glands are special derivatives of the skin.
- Teeth are NOT a special derivative of the skin.
Skin Features
- The skin's texture and elasticity can be used to recognize age, health, and youth.
Skin Functions
- The skin serves as a barrier against external factors, preventing water loss in hot weather.
- One of the minor functions of the skin is to regulate body temperature.
Skin and Sunshine
- Too much sunshine can cause ill-effects such as sunburn, dryness, and skin cancer.
Test your knowledge about the structure and functions of the skin, including its various parts such as sweat glands, sebaceous glands, hair, nails, and mammary gland. Explore the skin's role in heat regulation through vasodilation and vasoconstriction.
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