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As the heart pumps, the arteries carry oxygen-rich blood (shown in red) away from the heart and toward the body's tissues and vital organs. These include the...
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Animation of blood flow through the heart. How the heart works. The cycle of blood flow and the role of heart valves described. An updated version of this video (in HD) is available...
The heart could not move blood like a fluid pump without its four valves. These valves open to allow blood to flow through and then close to prevent blood from flowing backwards. The animation in this module shows you the heartbeat cycle in motion.
Pulmonary circulation facilitates the process of external respiration: Deoxygenated blood flows into the lungs. It absorbs oxygen from tiny air sacs (the alveoli) and releases carbon dioxide to be exhaled. Systemic circulation facilitates internal respiration: Oxygenated blood flows into capillaries through the rest of the body.
8 Νοε 2023 · What is the order of blood flow through the heart, step by step? The right and left sides of your heart work together to make sure blood flows throughout your whole body. Blood flows through your heart in a series of steps. These steps take place in the space of one heartbeat — just a second or two. On the right side
Blood vessels are the body's highways that allow blood to flow quickly and efficiently from the heart to every region of the body and back again. The size of blood vessels corresponds with the amount of blood that passes through the vessel. All blood vessels contain a hollow area called the lumen through which blood is able to flow.
