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International School Manila Student Edition Giorde C. Pasamba Your Host #1 Which of the following describes mechanical digestion? A: Chemical breakdown B: Physical breakdown C: Uses enzymes D: peristalsis B #2 Why do we need to chew food? A: It’s what humans do B: It helps relieve stress C: It speeds up digestion D: It ensures that digestion occurs slowly but surely C #3 Why does an increase in surface area of food particles improve digestion? It allows for more areas of contact for enzymes A: and digestive juices to act on It helps strengthen the C: teeth making chewing efficient It allows for less areas of contact for enzymes B: and digestive juices that slow down digestion D: Exact reason is not known A How many sets of teeth do we have in our lifetime? A: 32 B: 16 C: 1 D: 2 D #5 Two pieces of fossil jaw bone were discovered. The first had a well-developed canine while the second had predominantly molars. Which best describes the following discovery? A: Both had equal number of incisors One was a carnivore C: and the other an herbivore B: Both organisms were super predators. D: Insufficient data C #6 Refer to the following drawing. What type of tooth is number 3? A: Incisor B: Canine C: Pre-molar D: Molar B #7 What is this structure? A: Lung B: Gall bladder C: Stomach D: Liver D #8 What physical process does this structure perform that aids in digestion? A: Absorption B: Peristalsis C: Churning D: Regurgitation C #9 Peristalsis is a process where food is pushed down the food tube using muscular contractions. Peristalsis occurs in the following structures EXCEPT A: Stomach B: Esophagus C: Small Intestine D: Large Intestine A #10 Digestion breaks down large food particles into smaller and simpler substances. This allows _______________________ where energy can be extracted and used by the cells in our body. A: entry into the cell B: entry into the bloodstream D: reabsorption by the large intestine membrane C: churning by the stomach A #11 Which of the following elements make up the basic chemical building blocks of our body? A: Carbon, helium, B: Carbon, hydrogen, nitrogen, oxygen D: Carbon, hydrogen, oxygen, iron oxygen, nitrogen C: Calcium, hydrogen, oxygen, nitrogen B #12 Which of the following accurately describes fiber? It is a good energy A: source and cleanses the digestive system It is a source of lots of vitamins and minerals B: and prevents disorders of the digestive tract It is abundant in whole C: grains and vegetables and easily digested It gives 0 calories, no D: vitamins and minerals, cannot be digested D #13 If philophile members drank soda and soda contains fructose, therefore a chemical test of the vomit must indicate the presence of a ______________ A: Simple sugar B: Double sugar C: Complex sugar, starch D: Protein substance A #14 These structures are inner folds that increase the absorptive capacity of the small intestines. A: No idea B: Are you kidding me? C: I give up D: So easy, check out my answer at the back. Villi #15 This greenish yellow substance neutralizes the acidity of the stomach allowing enzymes to complete digestion in the small intestine. A: I know this! This will make me C: smarter than a 5th grader! B: Can I copy? D: Yeah, yeah!!! Bile Great Job!!!! Thank you for playing!