About 5 liters (quarts) per minute at rest, up to 15 during exercise.
I dnt know!!! SORRY...... It is oxygen poor when it goes in to the right atrium then ventricle then to the lungs. It comes back to the left atrium oxygen rich, it pumps to the left ventricle and...
the relaxing and contracting of the heart muscles
yeah for sure
Blood flows through veins to get to the heart. Arteries are blood vessels for the blood to leave the heart once it has been oxygenated.