As your heart beats, it pumps blood from the left ventricle through the aortic valve and into the aorta, your body’s largest artery. The aortic valve is made up of three triangular flaps of ...

If you clench your hand into a fist, this is approximately the same size as your heart. It is located in the middle of the chest and slightly towards the left. The heart is a large muscular pump ...

only allows blood to pass through one cell at a time Other features Thick muscular walls to withstand blood flowing at high pressure as it leaves the heart; the largest artery is the aorta Contain ...