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The Digestive Proces
Section 3-3
Question | Answer |
---|---|
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. |