A fruit fly's sperm is bigger than yours!
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A fruit fly's sperm is bigger than yours!
Nov 30, 2015
NEW YORK POSTEvan Buxbaum
If you think modern manufacturing is impressive, look inside the human body. This 3D animation visualizes Spermatogenesis—the relentless process of creating sperm cells. ​Unlike women, who are born with all the eggs they will ever have, men are biological "factories" that produce new cells constantly from puberty until the end of life. ​The Process: It all happens inside the Seminiferous Tubules—tiny, coiled tubes inside the testicles. ​The Assembly Line: It starts with stem cells called spermat
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