📝 Pack 

PACK 7  B3a Gas exchange

🖥️ Slides & video

B3a Gas exchange SLIDES

B3a Gas exchange VIDEOS

B3a Spirometer demo VIDEO

B3a Lungs ANIMATION

🖋️ Online tasks

B3c Gas exchange FORMS QUIZ

📗 Book sections

B3a Gas exchange TEXTBOOK

B3a Gas exchange REVISION GUIDE

🏆 EXTENSION links