Lungs & Gas Exchange
The lungs are an organ system specialized for exchanging oxygen and carbon dioxide between the air and the blood.
Would you get full marks on alveoli adaptations?
What is Lungs & Gas Exchange?
"The lungs are an organ system specialized for exchanging oxygen and carbon dioxide between the air and the blood."
Where does gas exchange take place in the lungs?
GCSE Biology: Where does gas exchange take place in the lungs?
Which feature of alveoli makes diffusion efficient?
Breathing and Diffusion
Alveoli have a massive surface area, thin walls, and a rich blood supply to maximize gas exchange.
Ventilation is the process of moving air in and out to maintain steep concentration gradients.
The trachea is lined with cartilage rings to keep the airway open.
Accelerate your revision
Master lungs & gas exchange and more with our exam-focused practice app.