13:18 duration 13 minutes 18 seconds
Ch 27 V - Sperm and Testosterone
Ch 27 objectives 10-11.
07:46 duration 7 minutes 46 seconds
Ch 27 II - Testes and Ductus Deferens
Ch 27 objectives 4-5.
05:24 duration 5 minutes 24 seconds
Ch 27 I - Intro to the Reproductive System
Ch 27 objectives 1-3.