1) This is where digestion begins. a) large intestine b) small intestine c) mouth d) stomach 2) This is a long stretchy tube. It breaks down the food mixture even more so the body can absorb all the vitamins, minerals, proteins carbohydrates and fats a) mouth b) small intestine c) large intestine d) oesophagus 3) This stretchy sack is where food is broken down by acids and enzymes. once its broken down, it becomes a substance called chyme. a) oesophagus b) mouth c) small intestine d) stomach 4) All the food material that is still unwanted passes through here. its here that any last water or minerals are absorbed into the blood a) large intestine b) small intestine c) liver d) oesophagus 5) The digestive system breaks down food into a) nutrients b) amylase c) salive d) lipase 6) What enzyme is found in saliva? a) amylase b) lipase c) trypsin d) pepsin 7) Chemical catalysts found in the digestive process are called a) fats b) enzymes c) organs d) cell 8) The ... breaks down the food we eat a) respiratory system b) digestive system c) excretion system d) circulatory system 9) A watery liquid called ... makes the food wet and soft, and it has a chemical that helps digest the food. a) enzymes b) saliva c) water d) ice 10) What enzymes do gastric juice contain? a) pepsin b) amylase c) lipase d) trypsin 11) Does any chemical digestion occur in the oesophagus? a) Yes b) No c) Maybe d) I don't know 12) How many enzymes does pancreatic juice contain? a) 1 b) 2 c) 3 d) 4 13) What acid is present in the stomach? a) hydrochloric acid b) sulfuric acid c) citric acid d) nitric acid 14) what valve keeps food from going to the lungs? a) oesophagus b) pharynx c) throat d) epiglottis 15) The two main sources of food energy are ... a) protein and vitamin b) carbohydrates and fats c) carbohydrates and protein d) vitamin and fats

Digestive system

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