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  1. Nov 8, 2023 · After delivering oxygen and nutrients to all your organs and tissues, your blood enters your heart and flows to your lungs to gain oxygen and get rid of waste. It then flows back to your heart, which pumps the refreshed blood out through your aorta to nourish your body again.

  2. Apr 13, 2024 · Here is the step-by-step flow of blood, including the chambers and valves: Deoxygenated blood from the body flows to the heart via the superior vena cava and inferior vena cava. The lungs receive deoxygenated blood from the pulmonary arteries and return oxygenated blood to the heart via the pulmonary veins.

  3. Mar 24, 2022 · Heart valves control the flow of blood so that it moves in the right direction. The valves prevent blood from flowing backward. The heart has four valves. The tricuspid valve separates the right atrium and right ventricle. The mitral valve separates the left atrium and left ventricle.

  4. Sep 9, 2023 · As blood leaves each chamber of the heart, it passes through a valve. There are four heart valves within the heart: The tricuspid and mitral valves lie between the atria and ventricles. The...

  5. Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

  6. Jul 16, 2024 · There are four valves that control blood flow in and out of the chambers of the heart: The tricuspid valve is located between the right atrium and the right ventricle. The pulmonary valve is located between the right ventricle and the pulmonary artery.

  7. Sep 4, 2024 · Some blood vessels (veins) return blood to your heart, while others (arteries) carry blood away from your heart. Your blood vessels work with your heart and lungs to continuously move blood through your body. Here’s how: Your heart’s right ventricle sends blood that’s low in oxygen (oxygen-poor blood) to your lungs.