asked 125k views
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how does the content of the blood change when it leaves the right atrium and enters the right ventricle​

asked
User Jareth
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2 Answers

7 votes
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs.
answered
User David Ansermot
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8.3k points
1 vote
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
answered
User LeoE
by
7.7k points
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