Answer:cell is the basic unit of life.
A cell may be unicellular or multicellular
Explanation:
The third one is the correct answer I hope this helped
A plant cell has a cell wall and an animal cell doesn’t. The cell wall keeps it from moving and protects the plant.
Answer:
During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.
