What are the specialized structures in the body that produce sex cells?
a. eggs
c. gonads
b. sperm
d. chromatin

Mutations associated with albinism affect proteins involved in synthesis

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down