Systolic blood pressure describes the blood pressure when

A. the heart is resting between beats
B. the ventricles of the heart are contracting
C. the atria of the heart are filling with blood
D. the atria of the heart are contracting


Answer: B

Environmental & Atmospheric Sciences

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Sometime between 2015 and 2100, we should have how much oil remaining?

What will be an ideal response?

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Seasons only exist in highlands if they also exist in the nearby lowlands

Indicate whether the statement is true or false

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Tropical climates are typically located

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