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GCSE Physical Education · key term
The volume of blood pumped out of the heart each minute: .
Used by AQA and OCR
Paper 1
The volume of blood pumped by the heart each minute, usually measured in ml/min or L/min.
Revise: Cardiac output and heart rateCardiac output (Q) is the volume of blood pumped by the heart each minute. It is usually measured in ml/min or L/min. Heart rate counts beats; cardiac output measures blood volume.
Paper 1
The volume of blood pumped out of the left ventricle in one minute. It equals heart rate multiplied by stroke volume.
Revise: Cardiovascular System Structure and FunctionCardiac output is the volume pumped out of the left ventricle in one minute.
The volume of blood pumped by the heart in one minute: .
The volume of blood pumped out of the heart per minute: .
Distinguish blood per beat (stroke volume), beats per minute (heart rate) and blood per minute (cardiac output).
Show the multiplication when calculating cardiac output. If stroke volume is in ml per beat, the result is in ml/min; divide by 1000 to convert to L/min.
Distinguish blood pumped per beat (stroke volume) from blood pumped per minute (cardiac output). Always include units.
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