Various Respiratory Organs

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Various Respiratory Organs
Protozoan
Earthworm, amphibian
Starfish
Fish gill
Mammalian lung
Insect
2
How most bony fishes respire
3
A counter current system encourages exchange
4
Lungs of Amphibians
5
How a bird breathes importance of air sacs
6
Snazzy color rendition of the human respiratory
system
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Trachea-? bronchi-? bronchioles
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Structure of the mammalian lung
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The alveoli have a good blood supply to pick up
oxygen
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How a human breathes
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Hemoglobin
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Oxygen
Hemoglobin picks up oxygen from exterior (high
oxygen tension)
Hemoglobin unloads oxygen in the tissues (low
oxygen tension)
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Carbon dioxide
From plasma to exterior
From tissues to plasma