All the blood flowing through the intestines passes through the liver on its way back to the heart.
Your heart keeps your blood "flowing"
the heart beats and the air pushes the blood
100% ... all blood flows thru the heart.
no. it gets it from the lungs
Valves.
2 of these valves (one on each side) stop blood from flowing back into the atria chambers of the heart when the heart is contracting and expelling blood. The other two are there to stop blood flowing out of the ventricles when the heart is filling up with blood. One stops blood flowing through the aorta to supply the body and the other stops it flowing through the pulmonary artery to the lungs.
One directional valves keep blood in the heart flowing in the right direction. There are three valves: biscupid valve, semilunar valve and tricuspid valve. These open to let the blood flow through then close to prevent the blood flowing back in the wrong direction making the heart less efficient.
Heart goes from the right side, other wise you might have the disease that makes your heart pull from the left side.
The pumping heart pushes blood through the blood vessels.
The heart valves open when blood is flowing through. They close to prevent backflow.
In the cardiac cycle, blood flowing into the heart is called the systole.
the hearts process is to keep the blood flowing through out your whole body