What are the three parts of a cell that water must pass through to reach the vacuole

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.

the fossil record provides evidence of a common ancestor to many species.

sex cells are usually half's then they find another half and make a fertilize egg