B3.2 HL Transport in Animals [IB Biology HL]
![](https://i.ytimg.com/vi/iWLxi9Xh35E/mqdefault.jpg)
7:00
B3.2 HL Transport in Plants [IB Biology HL]
![](https://i.ytimg.com/vi/wgBvMkybdyo/mqdefault.jpg)
17:43
B3.2 Transport in Animals [IB Biology SL/HL]
![](https://i.ytimg.com/vi/1OqMFq43spw/mqdefault.jpg)
13:23
B3.1 Gas Exchange in Animals [IB Biology SL/HL]
![](https://i.ytimg.com/vi/Vtf1s9vUEww/mqdefault.jpg)
13:45
B3.3 HL Joints and Locomotion [IB Biology HL]
![](https://i.ytimg.com/vi/W0HVn85Zc3Q/mqdefault.jpg)
18:38
B2.1 HL Membranes and Transport [IB Biology HL]
![](https://i.ytimg.com/vi/wT6WhBTy7Hg/mqdefault.jpg)
12:04
B3.3 HL Muscle Structure [IB Biology HL]
![](https://i.ytimg.com/vi/dcr6HKLvRiM/mqdefault.jpg)
19:16
B4.1 Adaptations to the Environment [IB Biology SL/HL]
![](https://i.ytimg.com/vi/ooDOkq8w3NU/mqdefault.jpg)
18:24