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Discover the complex biology of amphibians such as frogs, toads, salamanders, and newts. Learn about their intricate circulatory, digestive, excretory, nervous, respiratory, reproductive, and skeletal systems. Amphibians are able to live in and out of water, with a 3-chambered heart and the ability to absorb air through their skin.
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Biology Amphibians Frogs
Amphibians • Able to live in and out of water • Frogs • Toads • Salamanders • Newts
Systems • Very Complex Circulatory System • Closed • 3 Chambered Heart • Numerous Blood Vessels
Very Complex Digestive System Mouth Esophagus Stomach Pyloric Valve Small/Large Intestine Cloaca Anus Systems
Systems • Complex Excretory System • Kidneys • Urinary Bladder • Cloaca
Systems • Complex Nervous System • Brain • Spinal Cord
Systems • Reproductive System • Separate Sexes • Sexual
Systems • Respiratory system • Starts of as gills • Develops lungs when an adult • Can absorb air through its skin
Systems • Posses a skeletal system • Endoskeleton