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Biology

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

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Biology

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  1. Biology Amphibians Frogs

  2. Amphibians • Able to live in and out of water • Frogs • Toads • Salamanders • Newts

  3. Systems • Very Complex Circulatory System • Closed • 3 Chambered Heart • Numerous Blood Vessels

  4. Very Complex Digestive System Mouth Esophagus Stomach Pyloric Valve Small/Large Intestine Cloaca Anus Systems

  5. Systems • Complex Excretory System • Kidneys • Urinary Bladder • Cloaca

  6. Systems • Complex Nervous System • Brain • Spinal Cord

  7. Systems • Reproductive System • Separate Sexes • Sexual

  8. Systems • Respiratory system • Starts of as gills • Develops lungs when an adult • Can absorb air through its skin

  9. Systems • Posses a skeletal system • Endoskeleton

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