| Term | Definition |
|---|
| Amphibia | members of the class of amphibian, need water for reproduction |
| External Nares | nostrils |
| Internal Nares | passage in mouth openings to the nostrils |
| Tympani | eardrums receptor cells |
| Nictitating membrane | the third eyelid which is transparent used for protection when feeding |
| Vomerine teeth | 2 little teeth in the middle of the roof of the mouth |
| Maxillary teeth | teeth on the side of the mouth, securing prey |
| Pharynx | Muscular throat that has 3 passage ways into Glottis |
| Eustachian Tubes | Ears |
| Esophagus | the tube in which food is swallowed |
| Glottis | opening in which air enters |
| Larynx | voice box |
| Digestive System | contains digestive track and glands |
| Stomach | Stores and churns food and secretes enzymes |
| Small intestine | Location of absorption of nutrients into the blood stream, where digestion takes place. |
| Liver | Produces Bile, assists in digestion |
| Gallbladder | Stores Bile, assists in digestion |
| Pancreas | produces a pancreatic juice that also helps in digestion |
| Large intestine | Contains indigestible materials to the opening |
| Cloaca | Common exit passageway used by the reproductive system, digestive system and excretory system |
| Lungs | Used in the respiratory system, hollow sacs within thin walls containing capillaries |
| Capillaries | microscopic blood vessels which materials pass into and out of blood |
| Atria | 2 receiving chambers for blood get the blood from veins |
| Ventricle | 1 sending chamber in the heart |
| Circulatory system | Heart, Blood vessels and Blood |
| Arteries | blood vessel which carry blood away from the heart throughout the body |
| Kidneys | Organ's that excrete urine |
| Ureter | a tube which urine passes into the bladder(storage sac for urine) |
| Urinary bladder | sac that stores urine until it passes out of the body through the cloaca. |
| Testes | produce sperm |
| Sperm | Male sex cells |
| Sperm ducts | Transport Sperm to the cloaca |
| Ovaries | Produce Eggs (female sex cells) |
| Uteri | Transport eggs lastly to the Cloaca, used to deposit eggs out side of the body |
| Voluntary muscles | that the frog's brain can control, involves both Flexors and Extensors. |
| Flexor | shorten muscles |
| Extensors | lengthen muscles |
| External fertilization | eggs are released into water and the male covers the eggs with sperm, externally in the outside environment |
| Numerous eggs | Hundred of eggs are produced because the young can be eaten |
| Exoskeleton | unlike the earthworm, it has spinal cord, appendages and bones |
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