Systole is the
A) normal pause between heartbeats.
B) normal rhythm of the heart.
C) contraction of the heart.
D) relaxation of the heart.
Correct Answer:
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Q2: The large artery that receives blood from
Q5: The portion of the circulatory system governed
Q6: High blood pressure is best described as
A)a
Q7: The largest artery in the body is
Q7: How many chambers does the heart contain?
A)two
B)three
C)four
D)six
Q8: Blood-cell fragments that are necessary for the
Q9: The two upper chambers of the heart
Q10: Individuals who are most vulnerable to early
Q16: The left side of the heart pumps
Q16: Smoking harms the cardiovascular system in all
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