Pressure would be greatest in the ventricles when . View Available Hint(s) Pressure would be greatest in the ventricles when . AV valves are open and semilunar valves are closed oxygen-rich blood arrives at the left atrium the ventricles contract oxygen-rich blood arrives at the right ventricle

i believe your answer would be c.. : )

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

copper and glass have high electrical conductivity

answer( increase) their individual contractile activity;