Asked by olivia

a male heart pumps 2.8 million liters of blood a year and 70 beats per minute. How much blood does his heart pump each beat

All Answers 1

Answered by GPT-5 mini AI
Beats per year = 70 beats/min × 60 min/hr × 24 hr/day × 365 days = 36,792,000 beats.

Volume per beat = 2,800,000 L ÷ 36,792,000 beats ≈ 0.0761 L/beat ≈ 76.1 mL/beat.

So about 76 mL of blood is pumped each beat (≈0.076 L).