Circulatory system -the heart 0.0 / 5 ? BiologyCells, tissues and organsGCSEEdexcel Created by: LaurenkjCreated on: 06-04-18 12:39 What is cardiac output The total volume of blood pumped by a ventricle every minute 1 of 12 How do you calculate cardiac output Cardiac output = heart rate * stroke volume 2 of 12 What does the heart pump blood through Blood vessels 3 of 12 What is the heart made of Thick muscle 4 of 12 How many chambers does the heart have and what are they called The heart has four chambers the left and right atrium and the left and right ventricle 5 of 12 Where are the valves in the heart Between the atria and ventricles 6 of 12 What do valves prevent Back flow of blood in the heart 7 of 12 What is the right atrium for Receive Deoxygenated blood through the vena carva from the body which goes to the right ventricle 8 of 12 What is the right ventricle for Pumps the blood to the lungs 9 of 12 What is the left atrium for Receives oxygenated blood via the aorta from the lungs which goes to left ventricle 10 of 12 What is the left Ventricle for Pumps blood around the whole body 11 of 12 Why does the left ventricle have a much thicker wall than the right ventricle Because it has to pump blood around the whole body at high-pressure whereas the right ventricle only has to pump it to the lungs 12 of 12
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