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Digestion Review

Digestion Review. The pathway of food through the digestive system begins with the mouth and goes through the esophagus, stomach, small intestine, large intestine, and rectum respectively. The wave-like motion that keeps food traveling in the right direction is called ___________.

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Digestion Review

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  1. Digestion Review The pathway of food through the digestive system begins with the mouth and goes through the esophagus, stomach, small intestine, large intestine, and rectum respectively.

  2. The wave-like motion that keeps food traveling in the right direction is called ___________. Carbohydrates are comprised of __________ and __________. Examples of sugars are: Examples of starches are: __________ is the enzyme in saliva that begins breaking down starches while in the mouth.

  3. Nutrition Fact Labels give information that helps the consumer know how much nutrition, fat, calories, etc. are in each serving of food. Why is this important?

  4. The tongue, teeth, and stomach cut, tear, mash, and break down food into smaller pieces as part of __________ digestion. The stomach, liver, and pancreas aid with _________ digestion by using enzymes to break down food in the digestive system. The stomach enzyme that is catalyzed by HCI and known for chemical digestion in the stomach is ___________. The 3 major types of food are _______, _________, and ________.

  5. Starches are bands of sugars that need to be broken down in order to be absorbed into the body. • The organ in which protein digestion begins is the _________. • In which part of the digestive system does most digestion occur?

  6. The ________ makes bile that is stored in the gall bladder and used to help break down fats. What is an ulcer in the stomach? What is a sphincter? Approximately how long is the adult human digestive system? What is the purpose of mucus? What does the epiglottis do? How much saliva does the human body make each day?

  7. Nutrients are passed through the cells lining the digestive tract in a process called absorption. ________ is the enzyme that digests protein in the stomach. The small intestine is lined with folds covered in villi and microvilli. These three increase the internal surface area of the small intestine 600 times.

  8. What control did we use to compare results? • What solution did we use to perform a sugar test? Starch test? What is an indicator? When you performed a sugar test on amylase and starch solution, what happened? What color? What did this indicate?

  9. The pancreas creates pancreatic juice that is packed with enzymes that help digest carbs, proteins, and fats. By the time food particles make it to the colon (large intestine), the food has already been digested, and all that is left is undigested waste that needs to be eliminated. Water and minerals pass through the walls of the colon back into the bloodstream.

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