15:24duration 15 minutes 24 seconds
Ch 21 V - Antibodies
Ch 21 objectives 26-28.
18:47duration 18 minutes 47 seconds
Ch 21 IV - Humoral Response
22:18duration 22 minutes 18 seconds
Ch 21 II - Intro to the Adaptive Immune Response
Covers Ch 20 and 21 objectives 18 and 19.
21:41duration 21 minutes 41 seconds
Blood IX - Blood Types
Chapter 17 Objectives 24-25.