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:
Answer: As altitude increases, temperature decreases.
Explanation:
This is because the higher you go the colder it gets, except in the thermosphere, which is the warmest layer of Earths atmosphere.
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