The heart.
The same as it does when you are standing on your feet. Your heart pumps and forces the blood through your body.
Blood is pumped by the heart.
The cardiovascular system circulates blood through the body.
The heart pumps blood through the body.
the blood runs through your body and in to your heart
Oxygen does not push blood through the body, the heart does.
A syringe (forces medicine into the body) and a heart (forces blood round the body), so both are pumps.
The heart pumps blood through the lungs and through the rest of the body
Because the arteries wouldn't be able to have blood flow through your body unlike arteries veins are through out your whole body so they can transport blood through your whole body, veins keep your blood circulating
The heart pumps blood through the body.
On average, your blood travels through your body about once every minute.
By your heart pumping the blood through your veins.