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saul85 [17]
3 years ago
15

Question 8 (2 points)

Biology
2 answers:
AysviL [449]3 years ago
8 0
The answer is gonna be A ecosystem
gayaneshka [121]3 years ago
3 0
The answer is the first option ecosystem
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So blood let’s say starts in the left atrium where it goes down through the mitral valve into the left ventricle. From the left ventricle of the blood is pushed through the aorta and from there through the various branches of the body eventually allowing oxygen rich blood to flow all across the body. Once this blood is picked up by veins as deoxygenated blood it goes back to the heart through the inferior and superior vena cava. From there the deoxygenated blood is sent into the right atrium, through the tricuspid vale into the right ventricle, through the pulmonic valve into the pulmonary artery and into the lungs for re-oxygenation. The re-oxygenated blood (oxygen rich blood) now goes through the pulmonary veins into the left atrium and the cycle beings again.


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We need a picture to answer your question
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