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Byers, HBS, Lesson 4
HBS Lesson 4
10
Science
6th Grade
09/12/2012

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Term
AMYLASE
Definition
digestive enzyme that breaks down sugar
Term
BOLUS
Definition
ball of food formed in the mouth.
Term
CHEMICAL DIGESTION
Definition
the chemical breakdown of food into simpler compounds
Term
ENZYME
Definition
protein that helps to cause natural processes (such as digestion)
that speeds up reactions,
Term
EPIGLOTTIS
Definition
flap that covers trachea during swallowing
Term
ESOPHAGUS
Definition
tube that leads from mouth to stomach (gullet)
Term
MECHANICAL DIGESTION
Definition
the physical breakdown of food by tearing, mixing, or grinding
Term
SALIVA
Definition
watery substance secreted by 3 glands in mouth.
Term
SPHINCTER
Definition
ring of muscle that aids in one way passage of food thru digestive tract
Term
TRACHEA
Definition
windpipe , tube that leads to lungs
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