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5 Cards in this Set
- Front
- Back
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Fish
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2 chambered heart.
-a single atrium -a single ventricle blood oxygenated by direct passage through gills. |
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Amphibians w/ lungs
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3 chambered heart
-two atria -one ventricle (almost separated) -to keep systematic and pulmonary system separate. |
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Crocodiles
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four chambered heart
-two atria -two ventricles they have two aortas which connect to both ventricles. allowing for pulmonary to shut down and just have blood go through systematic circulation allowing for submersion underwater |
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Birds
Thescelosaurus is highly like a bird not like a reptile. |
four chambered heart
-two atria -two ventricles complete separation of pulmonary and systematic circulation more efficient than humans |
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Humans / mammals
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four chambered heart
-two atria -two ventricles complete separation of pulmonary and systematic circulation (increases efficiency of oxygenation by lungs and delivery of blood to body ) |
