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I dnt know!!! SORRY......
It is oxygen poor when it goes in to the right atrium then ventricle then to the lungs. It comes back to the left atrium oxygen rich, it pumps to the left ventricle and...
Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary artery to tiny capillary...