1) What is digestive system ? a) It is a part that digests food and have its own parts supporting ,such as teeth,mouth, oesophagus,stomach,small intestine ,large intestine,rectum,anus . b) Part that digest c) Part that is supporting to produce syliva d) It is a part that take cares of heart and lungs . e) A system f) Part that produces digestive juices . 2) How does food move through your digestive tract? a) By gravity b) By cilia c) By wavelike muscle contractions d) By chemical absorption e) Neutralizes stomach acid f) By force 3) Where does most of the digestive process take place a) Small intestine b) Large intestine c) Stomach d) Pancreas e) Liver f) All of the above 4) What does the liver do to help digestion? a) Produces vitamins  b) Crush food into small particles c) Produces bile d) Makes important enzymes e) Regulates insulin f) Neutralizes stomach acid 5) How does age affect digestion ? a) Slow swallowing b) Overgrowth of bacteria reduces the amount of nutrients the intestines absorb c) Reduces stomach secretions d) All of the above 6) How does food break down ? a) GI tract b) Sylyva c) Tounge d) Teeth 7) How long does it take your digestive system to go through the whole cycle ? a) 50 hours b) 10 minutes c) 1 hour d) 9 hours e) 3-4 hours f) 36 hours 8) How does tongue tastes food ? a) Smell b) Sensing organs c) Taste buds d) Feature of taste 9) How long is digestive system a) 30 feet b) 50 feet c) 20 feet d) 10 feet 10) What happens to food after you eat it a) Digestion takes place b) Small intestine absorbs most of the nutrients in food c) We took out the waste from our body d) We eat more 11) How to keep digestion good a) Eat junk b) Eat fats c) Drink cold drink d) Eat vegetables ,fruits and healthy food. 12) Where does the digestive system start ? a) Mouth b) Teeth c) Oesophagus d) Stomach e) Intestine f) Anus

Digestive system

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