The circulatory system includes the heart, blood, veins, capillaries,arteries, and the lymphatic system. The atria of the heart is in the upper chambers and in the lower chambers is where the ventricals are located. The heart includes both oxygen rich and oxygen poor. The following list is the blood flow of the heart in order
1. left atrium 2.left ventrical 3.aorta 4.body 5.vena cava 6.right atrium 7.right ventrical 8.pulmonary arteries 9.lungs 10. pulmonary veins 11. left atrium |
The video to the right is a good explanation about the jobs about the red blood cells. It also shows a great diagram of a human body's circulatory system. Your heart makes at least 100,000 heart beats a day. |
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