CIRCA 1970s - Microscopic, motile spermatozoa travel within the female reproductive tract, in 1974.

Name: Circa 1970s Microscopic Motile Spermatozoa Travel
Uploaded: 2017-10-30T00:00:00.000Z
Duration: 2 min 53 s
Channel: Rick Ray
Description: CIRCA 1970s - Microscopic, motile spermatozoa travel within the female reproductive tract, in 1974. Stock Footage Video (100% Royalty-free) 32276485 | Shutterstock