Close
Exchange Surfaces
Size:
Surface area to volume ratio:
Surface area to volume ratio:
Level of activity:
Features of a good exchange system:
Mammalian Gas Exchange System:
Gaseous exchange in the lungs:
Large surface area to provide more space for molecules to pass through:
The barrier to exchange is permeable to oxygen and carbon dioxide:
Thin barrier to reduce the diffusion distance:
A good blood supply:
Ventilation:
Inhaling and Exhaling:
Lung tissue:
The airways:
Airways are:
The trachea and bronchi:
The bronchioles:
Smooth muscle and elastic tissue:
Using a spirometer:
Precautious that must be taken when using a spirometer:
Lung volumes:
Lung Volumes
Oxygen uptake:
Breathing rate and oxygen uptake:
Oxygen Uptake:
Calculating oxygen uptake from a spirometer trace:
Bony fish:
Countercurrent flow:
Ventilation in bony fish:
Insects:
Ventilation in insects:
