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Reptiles (respiration (most depend primarily on lungs for gas exchange.,…
Reptiles
respiration
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Reptiles are able to suck air into their lungs, or inhale, by contracting muscles of the rib cage and body wall to expand the upper part of the body cavity in which the lungs are held. They exhale by relaxing these same muscle groups.
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circulation
snakes, turtles and iguanas have 3 heart chambers
crocodiles and alligators have 4 heart chambers -(because they are bigger so they need more oxygen..more efficient circulation)-
movement
limbs
turtle, lizards, crocodiles and aligatora
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excretion
cloacae -(gathering of metabolic waste)-, -(place for reproductive cells)-
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