a digestive enzyme that breaks down starch

Begins in the mouth with enzymes

grinding, tearing, and mixing of food

a protein that is capable of speeding up chemical reaction

watery substance secreted by three pairs of glands around the mouth helps moisten food

a ring of muscles that aids in the one way passage of food through the digestive tract

a wind pipe that leads to you lungs

Cover the trachea so food does not get in your lungs

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Lesson 4 Vocab

Lesson 4 Vocab/ 2nd period life science

Term	Definition
emylase	a digestive enzyme that breaks down starch
chemical digestion	Begins in the mouth with enzymes
mechanical digestion	grinding, tearing, and mixing of food
enzyme	a protein that is capable of speeding up chemical reaction
saliva	watery substance secreted by three pairs of glands around the mouth helps moisten food
sphincter	a ring of muscles that aids in the one way passage of food through the digestive tract
trachea	a wind pipe that leads to you lungs
bolus	soggy ball of food
epiglottis	Cover the trachea so food does not get in your lungs