• Created by: Pilot94
  • Created on: 02-06-23 20:05


The job of the lungs is to transfer oxgyen to the blood and to remove carbon dioxide from it

to do this the lungs contain millions of little air sacs called alveoli where gas exchange 

blood arriving at the alveoli has carbon dioxide and little oxgyen because it has just returned to the lungs from the…


No comments have yet been made