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www.reference.com/pets-animals/lizards-breathe-a9dd35c225d...

Lizards, like many vertebrates, have lungs and a respiratory system that enables them to breathe. They are different from mammals and birds in that they don't have a diaphragm muscle and instead breathe by flexing their body muscles. Since they need to use their muscles to breathe, lizards typically hold their breath while doing intense activity.

www.reference.com/pets-animals/reptiles-breathe-bebe8fbf...

Reptiles breathe in much the same way as humans do, inhaling and exhaling through their lungs. Some reptile species may be able to assist breathing through different means, such as permeable skin for gas exchange in aquatic turtles, but all reptiles must breathe through their lungs to survive.

www.answers.com/Q/How_do_lizards_breathe

Lizards breathe in the same way as all vertebrates do, via lungs. However, while in motion, reptiles cannot breathe in the same manner that humans do. This is because their spines (backbones) move ...

answers.yahoo.com/question/index?qid=1006051300434

Adult female green sea turtles do not breathe as they crutch along their nesting beaches. They hold their breath during terrestrial locomotion and breathe in bouts as they rest. North American box turtles breathe continuously during locomotion, and the ventilation cycle is not coordinated with the limb movements (Landberg et al., 2003).

www.answers.com/Q/How_do_reptiles_breathe

Reptiles breathe air through their nostrils and their mouths into their lungs. They don't have gills and if they swim underwater they have to come to the surface to breathe.

www.quora.com/How-do-reptiles-breathe-How-does-it-differ...

Both mammals and reptiles employ negative pressure breathing. I found some excepts discussing the differences. I also found some way cool gif's! Humans, like most mammals, breathe by negative pressure breathing: the rib cage expands and the diaphragm contracts, expanding the chest cavity.This causes the pressure in the chest cavity to decrease, and the lungs expand to fill the space.

www.youtube.com/watch?v=Nx0M5M-YkyY

"How Do The Reptiles Breathe? Watch more videos for more knowledge How Do The Reptiles Breathe? - YouTube https://www.youtube.com/watch/Nx0M5M-YkyY REPTILE E...

study.com/academy/answer/how-do-reptiles-breathe.html

How do reptiles breathe? Reptile Respiration. Like all other animals, reptiles must take in oxygen and expel carbon dioxide to stay alive. Although there are many methods of respiration in the ...

blog.nationalgeographic.org/2013/12/11/lizard-has-one-way...

The savannah monitor lizard (Varanus exanthematicus) doesn't eat like a bird, but it does breathe like one, a new study has discovered. Air flows only one way through its lungs—other than the American alligator, it's the only other known reptile found to have this trait. ... Lizard Has One-Way Breathing; Hints at How Dinosaurs Breathed?

www.scientificamerican.com/article/monitor-lizards-found...

Monitor Lizards Found to Breathe Unidirectionally Like Birds. Monitor lizards extract oxygen both when they inhale and exhale, perhaps explaining why they are so successful as a species.