1) How long is an adult’s small intestine? a) 22 feet b) 30 inches c) 30 miles d) 17 feet 2) The digestive process starts in the: a) Stomach b) Esophagus c) Mouth d) Bathroom 3) The liver’s role is to: a) Mash up food b) Turn water into food c) Help the stomach d) Remove harmful substances from the blood 4) When they reach the stomach, mashed-up food particles mix with: a) Guava juice b) Gastric juices c) Mucus d) Bile 5) Bile is made in the: a) Large intestine b) Stomach c) Liver d) All of the above 6) What does the digestive system do? a) Breaks down and handles food b) Pumps blood throughout the body c) Helps you breathe d) Helps your arms and legs move 7) Your food can spend up to this long in the small intestine: a) 4 minutes b) 4 months c) 4 seconds d) 4 hours 8) What tube moves food from the back of your throat to the stomach? a) Epiglottis b) Esophagus c) Feeding tube d) Pharynx 9) Which organs help with the absorption of nutrients? a) Pancreas, liver, and gall bladder b) Liver, heart, and spleen c) Gall bladder, kidneys, and appendix d) Kidneys, liver, and bladder 10) The large intestine measures about: a) 1 foot long b) 10 feet long c) 5 feet long d) 100 feet long 11) The end products of digestion enter the cells by the process of: a) absorption b) osmosis c) elimination d) egestion 12) A student has a hamburger, french fries, and soda for lunch. Which sequence represents the correct order of events in the nutritional processing of this foo a) ingestion → digestion → absorption → egestion b) digestion → absorption → ingestion → egestion c) digestion → egestion → ingestion → absorption d) ingestion → absorption → digestion → egestion 13) In which organ does the mechanical digestion take place? a) small intestine b) mouth c) stomach d) pancreas 14) What is the function of hydrochloric acid secreted by stomach? a) Reduces stomach secretions b) Helps in Egestion c) Kills bacteria in the food d) To make the food more acidic 15) How does liver help in digestion? a) Making enzymes b) Secretes bile juice c) Digest the food d) Regulate insulin 16) What gives small intestine a large surface area to absorb nutrients? a) Bile b) Length of small intestine c) Villi (finger-like projections) d) Thin wall of small intestine 17) Where is the waste stored before eliminating from the body? a) Rectum b) Esophagus c) Liver d) Gall bladder 18) When undigested food is passed out of the body, it is called_________ a) Egestion b) Ingestion c) Digestion d) Indigestion

Digestive system

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