15:17duration 15 minutes 17 seconds
Ch 23 XIII - Chemical Digestion
Ch 23 objective 25.
10:07duration 10 minutes 7 seconds
Ch 23 XI - Regulation of Bile and Pancreatic Juice
Ch 23 objectives 21, 22b, and 23.
16:14duration 16 minutes 14 seconds
Ch 23 IX - Liver and Gallbladder
Ch 23 objectives 19-20.