How often should you exercise?

A 1 hour/day
B 1 hour/week
C 1 hour/month

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Last 5 benefits of physical activity and identify each benefit as either a physical mental and emotional or social benefit

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.