BI-1176
The heart
Biology · Secondary 3 · Medium · The heart
In a person, ventricular diastole lasts 0.7 s and ventricular systole lasts 0.3 s. How many heartbeats occur in 1 minute?
- 40 beats per minute
- 50 beats per minute
- 60 beats per minute
- 100 beats per minute
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