THE CIRCULATORY SYSTEM - QUIZ QUESTIONS
The Circulatory System is made up of: The heart, lungs, capillaries, arteries, veins and the lymphatic system. The Circulatory System The heart is a pump which supplies blood to all the body's cells. It is made of four chambers. The two upper chambers are the right and left atria. The two lower chambers are the right and left ventricles. The heart is a small organ that has a lot of work to do. If the heart fails, all the body's organs like the brain and kidneys as well as the body's tissues will be affected. An overview Deoxygenated blood returns to the heart via the veins. The blood comes in through the right atrium via the Superior and Inferior vena cava. It is then pumped into the right ventricle. The deoxygenated blood is pumped to the lungs via the Pulmonary Artery. Inside the lungs, the deoxygenated blood is exchanged for oxygenated blood and is pumped to left...