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The Digestive Proces

Section 3-3

Digestion The process by whcih the body breaks down food into small nutrient molecules.
Mechanical Digestion When foods are physically broken down into smaller pieces.
Chemical digestion Chemicals produced by the body break foods down into their smaller chemical building blocks.
Absorbtion The process by which nutrient molecules pass through the wall of your digestive system into your blood.
Saliva The fluid released when your mouth waters.
Enzyme A protein that speeds up chemical reactions in the body.
Epiglottis A flap of tissue that seals off your wind pipe, preventing food from entering.
Esophagus A muscular tube that connects the mouth to the stomach.
Mucus A thick, slippery substance produced by the body.
Peristalsis Involentary waves of muscle contractions that move food down the esophagus towards the stomach.
Stomach A J-shaped muscular pouch located in the abdomen.
Created by: emmie.lewis