Blood
Pressure
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The amount of blood pumped by the heart is called the CARDIAC OUTPUT, and is given in mL of blood per minute. CARDIAC OUTPUT (CO) can be affected by two things: 1. How fast the heart beats, or HEART RATE (HR) 2. How much blood it moves with every beat, or STROKE VOLUME (SV) In fact, to calculate cardiac output you use this equation: CO = HR x SV |
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If a man's heart beats 65 beats a minute, and each beat moves 60 mL of blood, what is his cardiac output?
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1.01 mL/min | |