"Atrioventricular valves are open before atrial systole"
i put false becuase it is not open because before systole there is diastole and during that period all the valves are closed and the muscles relaxing causing blood to enter in the atrium.
However the question says the answer is correct. Can any1 tell me if im making sense pleasssse????
thnks
However brilliant test only 1 wrong and im not doin edexcel!
Question 7 is shadey, as hypertension or high blood pressure causes the endothelial layer to become damaged so therefore really high blood pressure is one of the first causes, as are smoking and any other Risk Factor for CVD.
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