Hey, just a heads up there’s no picture ^*
<span>By producing melanin (pigment), the skin protects the underlying structures from ultraviolet light's harmful rays while producing vitamin D, which works with calcium for multiple body processes.
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Vitamin D is produced by the skin when it is exposed to the sunlight. Ultraviolet B (UVB) is the part of the sun's rays that affects the skin to produce such vitamin.
Answer:
ANOTHER ANTIBODY MOLECULE OR A
Explanation:
I just know
If this occurred the cells won't have the same DNA
Answer:
When exercising your muscles need more oxygen. Therefore your heart needs to pump more blood (which carries oxygen) to your muscles.
