GCSE Science Biology (9-1) - The Lungs and Gas Exchange 

In this revision lesson we look at the lungs. We cover whats needed for GCSE biology and combined science paper 1. We cover lung structure, how the lungs are adapted for gas exchange and comparing inhaled and exhaled air.
Covered:
The lungs, trachea, bronchi, diaphragm, alveoli and adaptations, inspiration and expiration.
Time stamps:
0:19 - lung structure
1:45 - alveoli and alveolus structure
2:16 - gas exchange
3:16 - journey through lungs
3:26 - oxygen diffusing into alveoli
4:37 - adaptations for gas exchange
5:31 - inhaled and exhaled air
#GCSEthelungs #thelungs #gasexchange #gcsegasexchange
Music - becloud by Keith Kennif
Music - Why by Freckleland
B2 Organisation respiratory system
Biology paper 1
Combined science
AQA, OCR, IGCSE and EDEXCEL
Science Revision Channel