MediumZoologyBody fluid and circulation
+4 / -1
Cardiac output is defined as:
A
Stroke volume × Heart rate
B
Stroke volume + Heart rate
C
Stroke volume / Heart rate
D
Heart rate / Stroke volume
Explanation
Cardiac output is the volume of blood pumped by each ventricle per minute. For a healthy adult, it is roughly 70 mL × 72 beats/min ≈ 5000 mL or 5 litres.
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