The infrared light kills bacteria in the body
The ultraviolet rays convert skin oil into Vitamin D
Resistance power increases
The pigment cells in skin produce healthy tan
See Answer
Answer
: The ultraviolet rays convert skin oil into Vitamin D
Explanation
: Human skin can make large amounts of vitamin D when lots of skin is exposed and the sun is high in the sky. Your body is designed to get the vitamin D it needs by producing it when your bare skin is exposed to sunlight.
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