Big Picture

Fast fact #40

#40: A man makes 1500 sperm per heartbeat.

The body
Sex and gender

Bibliography

Source: Hurley. Science 2010;328(5974):15.
http://www.sciencemag.org/content/328/5974.toc
Originally published in The Big Picture Little Book of Fast Facts
http://www.wellcome.ac.uk/Education-resources/Teaching-and-education/Big-Picture/All-issues/Special-Fast-Facts-book/index.htm

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