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All About Frogs By: Tricia Redburn Classifcation • Domain - Eukarya Kingdom - Animalia Phylum - Chordata Subphylum - Verebrata Class - Amphibia Order - Anura Suborder - Neobatrachia Family - Ranidae Genus - Rana Species - Rana pipiens Facts • Instead of drinking water, frogs soak it into their body through their skin. • Frogs breathe through their nostrils while also absorbing about half the air they need through their skin. • Frogs use their sticky, muscular tongue to catch and swallow food. Unlike humans, their tongue is not attached to the back of its mouth. Instead it is attached to the front, enabling the frog to stick its tongue out much further. • The common pond frog is ready to breed when it is only three years old. Stomach - Stores food and mixes it with enzymes to begin digestion. Internal Anatomy • Small Intestine - The principal organ of digestion and absorption of • • • • • • • • • digested food. Duodenum - The anterior (front) part of the small intestine into which food passes from the stomach Pancreas - Gland which secretes digestive enzymes into the duodenum. Gall Bladder - Sac which stores bile Large Intestine - Posterior organ of the digestive system which stores undigested food. Liver - Secretes bile and processes digested food molecules Urinary Bladder - The organ that collects and stores urine until released. Fat Bodies - Masses of fat in the body cavities of frogs. Needed for hibernating and mating Spleen - Organ in the frog’s circulatory system that makes, stores, and destroys blood cells. Cloaca - Organ through which the products of the frogs digestive and urogenital system pass when discharged from the body. External anatomy • External nares or nostrils - Anterior openings for the entry or exit of air. • Esophagus - Tube that connects the mouth and the stomach in a frog. • Tympanic Membrane - The eardrum receives sound waves • Glottis - The opening from the mouth into the respiratory system Where I got my information from • http://bioweb.uwlax.edu/bio203/2010/secrist_ eliz/classification.htm • http://www.sciencekids.co.nz/sciencefacts/ani mals/frog.html • http://www.biologycorner.com/bio2/notesfrog.html • www.slideshare.net/FJHScience/frog-bodyparts-and-functions-2014
