1 Which organ is responsible for the final stage of digestion and absorption of nutrients? A Stomach B Large intestine C Small intestine D Mouth
2 What is the role of the sphincter muscles in the digestive system? A To absorb nutrients B To control the passage of food between organs C To produce digestive juices D To grind food
3 Which organ is responsible for chewing and breaking down food into smaller pieces? A Stomach B Mouth C Esophagus D Small intestine
4 What is the function of the cecum? A To absorb nutrients B To store undigested food C To produce bile D To digest fats
5 What is the name of the muscular tube that connects the throat to the stomach? A Trachea B Esophagus C Pharynx D Larynx
6 Where does most of the absorption of nutrients take place? A Stomach B Large intestine C Small intestine D Esophagus
7 What is the function of the epiglottis? A To taste food B To prevent food from entering the windpipe C To produce saliva D To grind food
8 Which organ is responsible for the final absorption of vitamins and minerals? A Stomach B Small intestine C Large intestine D Esophagus
13 What is the function of bile salts? A To digest carbohydrates B To emulsify fats C To digest proteins D To absorb water
14 What is the function of the pyloric sphincter? A To control the flow of food from the stomach to the small intestine B To control the flow of bile C To prevent food from entering the esophagus D To regulate breathing
15 What is the role of the esophagus in digestion? A To grind food B To absorb nutrients C To transport food to the stomach D To produce digestive enzymes
16 What is the name of the liquid produced by the liver that aids in digestion? A Saliva B Gastric juice C Bile D Pancreatic juice
17 Which organ is not involved in digestion but is part of the digestive system? A Liver B Gallbladder C Pancreas D Esophagus
18 What is the function of the large intestine? A To absorb nutrients B To absorb water and minerals C To produce digestive enzymes D To break down fats
19 Which organ stores undigested food temporarily before it is eliminated? A Stomach B Small intestine C Large intestine D Rectum
20 What is the function of the esophagus? A To absorb nutrients B To churn food with acids C To carry food from the mouth to the stomach D To store bile
21 Which organ produces bile that helps in the digestion of fats? A Pancreas B Gallbladder C Liver D Stomach
23 What is the function of the tongue during digestion? A To produce saliva B To taste and move food during chewing C To absorb nutrients D To secrete digestive enzymes
24 What is the function of the appendix? A To digest cellulose B To store bile C To produce hormones D To play a role in immune function
25 What is the name of the process where food is broken down into simpler substances? A Absorption B Egestion C Digestion D Excretion