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Digestive System
Digestive System Notes
Question | Answer |
---|---|
What happens in the Mouth? | This is where saliva begins, when food is chewed, mashed, grinded, whatever. Saliva contains an enzyme that remains in the mouth for about 2 minutes |
What happens in the Esophagus? | In the esophagus, food is no longer in the mouth. It is pushed down your throat by muscles. It stays in the esophagus for about 4-8 minutes. Peristalsis is responsible for rumbling sounds in your body. |
What happens in the Stomach? | Food is broken down by hydrochloric acid and enzymes during the chemical breakdown. It remains in the stomach for 4 hours, and forms a thick liquid. |
What happens in the Small Intestine? | That thick liquid is mixed with another liquid called bile, and passes through the remaining 20 ft. of the small intestine. It will take about 2 hours. |
What happens in the Large Intestine? | In the large intestine, any liquid that hasn't been digested goes into the small intestine. And the remaining wastes are considered urine or feces. |
What are villi? | Finger-shaped bumps in the small intestine that soak up nutrients and created a larger surface area |
What is the pancreas? | A digestive organ that makes chemicals to break proteins, fats, and carbohydrates down, and helps control how much sugar is in the blood. |
What is the liver? | Makes bile break down fats. It also stores sugar when body needs it, and gets rid of harmful substances such as alcohol. |
What is saliva? | Saliva is the beginning of digestion, that contains a digestive juice called enzymes that change starch into sugar. |
What is the gallbladder? | An organ that stores bile, that digest fats, and sends bile to the small intestine when needed. |