Can you explain the circulatory system of the blood?
The heart is divided in half by a septum, giving a right side and a left side. Both sides will also be divided again and have an atrium on the top and a ventricle on the bottom. We will begin at the left ventricle which is connected to the aorta which pumps oxygenated blood around the body. The blood travels through from the aorta into the arteries, then through the capillaries. At this point the blood becomes deoxygenated and will move into the veins and eventually reach the vena cava which is connected to the right atrium. The deoxygenated blood will pump through the right atrium to the right ventricle and then up through the pulmonary artery to the lungs. The blood will get oxygenated at the lungs and will flow back to the left atrium. This will then flow down to the left ventricle and the cycle will begin again.
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