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
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GPT-5 mini
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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).
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).
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