When exposed to sunlight, melanocytes produce the pigment melanin. Melanin granules cluster together in keratinocytes to protect DNA in the nucleus
Answer:
the main site of gas exchange is in the lungs between the alveoli and a family of really small blood vessels called capillaries. Which are placed in the walls of the alveoli.
Explanation:
I think the correct one is B
Yes, people burn calories at different rates due to their metabolism.
The evidence of a major microbial decomposition
Explanation:
