to which organ does the blood flow to after it leaves the heart and what happens when it reaches that organ

Blood leaves the heart through the pulmonic valve, into the pulmonary artery, and to the lungs. Blood leaves the heart through the aortic valve, into the aorta, and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs, and body.

Explanation:

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Explanation:

- When the blood leaves the heart it flows to the lungs

- In the lungs, the blood refills its oxygen supply and gets rid of carbon dioxide. The oxygenated blood returns from the lungs to the left atrium through the pulmonary veins to the heart

- The blood travels to your lungs so that you can breathe out the carbon dioxide and breathe in more oxygen.