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Question: Answered & Verified by Expert
A person has cardiac output 5600ml/minute and stroke volume 70 ml. What would be the number of heartbeats in 2 minutes in this person?
BiologyBody Fluids and CirculationNEET
Options:
  • A 80 heart beats
  • B 70 heart beats
  • C 140 heart beats
  • D 160 heart beats
Solution:
2341 Upvotes Verified Answer
The correct answer is: 160 heart beats
Cardiac Output = Stroke Volume x Heart beats/min

Heart beats/min = Cardiac Output/Stroke Volume  

= 5600 ml/70ml

= 80

Therefore, number of heart beats of this person in 2 minutes = 80 × 2 =160 .

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