Why is blood pressure higher during systole than during diastole?
A) The contraction of the heart during systole increases the blood pressure against arterial walls.
B) The relaxation of the heart during systole increases the blood pressure against arterial walls.
C) The contraction of the heart during diastole decreases the blood pressure against arterial walls.
D) More blood flows into the heart during systole than during diastole.
Correct Answer:
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Q4: Plasma is where we could find _
Q5: Red blood cells lack nuclei and other
Q6: Trace the path of a red blood
Q7: Blood pressure that is consistently _ or
Q8: Which of these carry(ies)oxygen-poor blood?
A)pulmonary arteries
B)pulmonary veins
C)aorta
D)left
Q10: Blood pressure is lowest in _.
A)veins
B)capillaries
C)arterioles
D)venules
Q11: One type of electrical defect in the
Q12: Which is a characteristic of open circulatory
Q13: Veins carry _.
A)blood away from the heart
B)oxygen-rich
Q14: What is one way in which the
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