The term _________ refers to the alternating surges of pressure in an artery that occur with each contraction and relaxation of the left ventricle.

a. diastole
b. murmur
c. pulse
d. systole


Ans: c. pulse

Biology & Microbiology

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Four of the five symptoms listed below are

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Eukaryotic chromosomes are a combination of proteins and DNA, which allows the cell to perform which four essential functions?

What will be an ideal response?

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Which of the following best supports the idea that organisms and environments have changed over time?

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Biology & Microbiology