and tomorrow
At least you know I can help
<span>Vitamin D is the only vitamin the body can produce naturally.
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Answer:
The hairs on the skin also help to control body temperature.
Explanation:
They lie flat when we are warm, and rise when we are cold. The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. The hypothalamus is the part of the brain which monitors the body's temperature.