india-cunard documents

Topic 6.4 Gas Exchange. 6.4.1 distinguish between: Ventilation – breathing (air in and out of lungs) Gas Exchange – diffusion of gases. Occurs in 2 places:
Documents Topic 6.4 Gas Exchange. 6.4.1 distinguish between: Ventilation – breathing (air in and out of lungs) Gas Exchange – diffusion of gases. Occurs in 2 places: