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Systems of the Human Body

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 9, 2019Leave a comment

DIGESTIVE SYSTEM The digestive system is a system where your food goes through. It begins with you eating your food, which goes through your mouth. Saliva contains something called enzyme which breaks down your food. The food then goes down the Oesophagus, a tube that runs from your mouth, all the way to your stomach.…

Frog Dissection: Background & Urogenital System

ScienceBy William Anderson (Schoolworkhelper Editorial Team)October 1, 2010Leave a comment

Background: As members of the class Amphibia, frogs may live some of their adult lives on land, but they must return to water to reproduce. Eggs are laid and fertilized in water. On the outside of the frog’s head are two external nares, or nostrils; two tympani (tympanic membranes), or eardrums; and two eyes, each…

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