The endocrine system
1. affects only the reproductive system
2. releases hormones into the bloodstream
3. competes with the nervous system
4. is made up primarily of glands with ducts

As a small change in a person's dna can cause a genetic disorder

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm