sperms Sperm ejaculated in the vaginal cavity About 200 to 500 million sperm are ejaculated into the vaginal cavity in one intercourse
Sperm structure a-head, b-nucleus, c-mitochondria, d-tail, the middle part of e-sperm, m-side of sperm, n-front and back of sperm References-Review of Medical Physiology, 5 Edition, William F. Ganong, Lange Medical Publications
Copyright ⓒ 2014 John Sangwon Lee, MD., FAAP
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