Cell divison is necessary to replace cells that are worn and aging. Cells do not have an indefinite life span. Fo example, the life span of a red blood cell is about 120 days.
When a phosphate group is removed from the molecule
Answer:
false
Explanation:
your body needs a lot on food, materials, etc. from natural resources
The answer is C the main function of the kidneys is <span>filtering wastes from the blood</span>