09:16duration 9 minutes 16 seconds
Ch 24 II - Redox Reactions
Ch 24 objective 4.
15:24duration 15 minutes 24 seconds
Ch 22 XI - Carbon Dioxide Transport
Ch 22 objectives 28-29.
21:41duration 21 minutes 41 seconds
Blood IX - Blood Types
Chapter 17 Objectives 24-25.