14:06

11. Gas Exchange in Humans (Cambridge IGCSE Biology 0610 for exams in 2023, 2024 and 2025)

10:53

Respiratory System of the Human Body - How the Lungs Work! (Animation)

11:25

Gas Exchange

3:58

GCSE Biology - Gas Exchange and Lungs #26

10:05

IGCSE BIOLOGY REVISION - [Syllabus 11] Gas Exchange In Humans

7:35

Respiratory System

4:10

Gas Exchange and Partial Pressures, Animation

3:26

How The Oxygen You Breathe Gets Delivered to the Cells of Your Body