Answer:
What sends oxygenated blood back to the heart from the lungs?
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Explanation:
Do you have a picture? It would really help answer your question
Explanation:
offices s4x5svu0nsisnubsubsindind9s9?z0?pw?om2ibeunsimz
Your answer would be A because none of the others make sense, Hope that helps!
