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Question

Exposure to too much ultraviolet rays can affect the

A
Skeletal system
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B
Immune system
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C
Nervous system
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D
Digestive system
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Solution

The correct option is A Immune system
In humans, excessive exposure to all bands of UV radiation can result in chronic harmful effects on the skin, eye, and immune system. All bands of UV radiation damage collagen fibers and accelerate aging of the skin. Both UV A and UV B destroy vitamin A in skin, which may cause further damage.
Thus, the correct answer is option B.

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