I think It Would Be Monday Be It's The Day Before Tuesday
Answer:
Basically, the Atrioventricular valves are Mitral and Tricuspid valves located between the atrium and ventricles. Their main functions is to “prevent the backflow of blood from the ventricles into the atrium during the ventricular contraction (systole).
Explanation:
I am assuming you would recommend a specialist.
if a metal is an answer then that iis the answer.
Answer:
I believe the answer is B. External
Explanation:
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