General:
Path of Blood through Heart:
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- Very efficient double circulatory system
- Most have a 3 chambered heart
- Crocodiles have a four-chambered heart
- All reptiles have high blood pressure
Path of Blood through Heart:
- De-oxgenated blood travels first into the right atrium
- Continues to the ventricle and is then pumped to the lungs where it is re-oxygenate
- Returns to the left atrium and enters the ventricle before being pumped to body tissues
- Repeats
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