The Human Heart: Introduction (02:22)
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The heart pumps the blood to transport food, waste, and other needed products throughout our body. The heart beats 100,000 times per day.
The Heart (03:45)
Lungs, ribs, sternum, and spinal column surround the heart, which is made up of four cavities: left atrium, right atrium, left ventricle, and right ventricle. Valves ensure the blood flows in the correct direction. Normal pulse rate is 60 to 80 beats per minute.
Blood Circulation (04:05)
Trace the path of blood as it circulates throughout the human body. Capillaries transfer the food and oxygen carried by the blood cells to the body tissue. In the alveoli, the blood is charged with oxygen.
Health and Quality of Life (02:21)
Keep hearts and blood vessels in good condition by eating healthy, not smoking, and exercise regularly. Thrombosis, heart attacks, and arteriosclerosis can occur; pacemakers, heart transplants, and artificial valve replacement can fix issues with circulation.
Access to Summary (02:21)
The heart is made up of four cavities: left atrium, right atrium, left ventricle, and right ventricle and pumps blood throughout our bodies. Capillaries transfer the food and oxygen carried by the blood cells to the body tissue. In the alveoli, the blood is charged with oxygen and carbon dioxide is removed.
Credits: The Human Heart (00:39)
Credits: The Human Heart
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