Directions. Read and understand each question Write the letter of the correct answer on your answer sheet. 1. Which of the following statements describes the function of the digestive system A. gives shape to the body is in charge of the circulation of the blood is in charge of the transfer of nerve impulses D. breaks down food into a form that can be absorbed by the body 2. Which part of the digestive system serves as the passageway of food from the mou to the stomach? A. esophagus B. small intestine C stomach D villi 3. Which organ serves as the temporary storage of the bile from the liver? A. gall bladder B. liver C. pancreas D. small intestin 4. What kind of food is chemically digested in the mouth? A fats B. fiber C. proteins D starch 5. What substance does the stomach secrete that helps in the digestion of proteins? A acid B. salivary amylase C vitamins D. water 6. What kind of teeth are pointed and are used in tearing food? A. canines B. incisors C. molars D premolars
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Answer:
1. D
2. A
3. A
4. D
5. A
6. A
Explanation:
1. it breaks down and shredders the food
2. Esophagus is the muscular tube that carries food and liquids from your mouth to the stomach
3. The gallbladder acts as a storage vessel for bile produced by the liver. Bile is produced by hepatocytes cells in the liver and passes through the bile ducts to the cystic duct. ... The gallbladder stores this concentrated bile until it is needed to digest the next meal.
4. Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.
5. It helps to digest proteins by denaturing them into an unfolded shape that is easier for enzymes to digest.
6. People have a total of four canine teeth, two on top and two on the bottom. Because they are pointed and sharp, they are used to tear food.