13:18 duration 13 minutes 18 seconds
Ch 27 V - Sperm and Testosterone
Ch 27 objectives 10-11.
06:45 duration 6 minutes 45 seconds
Ch 27 IV- Erection and Ejaculation
Ch 27 objectives 8-9.
05:24 duration 5 minutes 24 seconds
Ch 27 I - Intro to the Reproductive System
Ch 27 objectives 1-3.
20:20 duration 20 minutes 20 seconds
Ch 23 I - Intro to the Digestive System
Ch 23 objectives 1-5.
25:11 duration 25 minutes 11 seconds
CH 20 II - Lymphatic Organs
Ch 20 and 21 objectives 5-11.
15:03 duration 15 minutes 3 seconds
Ch 20 I - Lymphatic Vessels
Ch 20 and 21 objectives 1-4.