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Functions Digestive

The Functions of the Digestive System

QuestionAnswer
What are the 3 functions of the digestive system? The digestive system has three main functions. First, it breaks down food into molecules the body can use. Then, the molecules are absorbed into the blood and carried throughout the body. Finally, wastes are eliminated from the body
The process by which your body breaks down food into small nutrient molecules is called Digestion
is the process by which nutrient molecules pass through the wall of your digestive system into your blood Absorption
Mechanical and Chemical digestion begin in the mouth
fluid released when your mouth waters is Saliva
proteins that speed up chemical reactions in the body enzymes
As you swallow, a flap of tissue called the ____________ seals off your windpipe, preventing the food from entering epiglottis
The food goes into the __________ a muscular tube that connects the mouth to the stomach esophagus
The esophagus is lined with _________, a thick, slippery substance produced by the body. ______ makes food easier to swallow and move along. mucus
After food enters the esophagus, contractions of smooth muscles push the food toward the stomach.
These involuntary waves of muscle contraction are called ______________ . ______________ also occurs in the stomach and farther down the digestive system. These muscular waves keep food moving in one direction. peristalsis
When food leaves the esophagus, it enters the ________, a J-shaped, muscular pouch located in the abdomen. As you eat, your _______ expands to hold all of the food that you swallow stomach
most mechanical digestion and some chemical digestion occur in the stomach
Created by: Ashleytyler
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