The Heart The Heart Introduction You need your marrow for every(prenominal) your body needs. It pumps about 2000 gallons of blood a day. It takes about 20 seconds for blood to reach every cell in the body. An arterial blood vessel carries blood out from the magnetic core. A vein carries blood key to the heart. An average adult heart weighs about 10-13 ounces (300 to 350 grams). The rate which the heart pumps varies depending on what your doing. When at rest the heart pumps more slowly. When you poke out the heart rate increases to provide muscles and other tissues with additional atomic number 8 they need. The typical heart rate is 72 beats per minute.
each beat gives out 2-3 ounces of blood pumped into the arterial system. At this heart rate it beats about 104,000 times a day. The Superior and Inferior are the biggest veins in the body. The Superior is in reality the biggest. These veins contain a lot of carbon dioxide and have oxygen-poor blood. The aorta is the biggest arterial blood vessel in the whole body. Which depart be co...If you want to hit a full essay, fellowship it on our website:
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