1) Where does the digestive system start a) Mouth b) Small intestine c) Stomach d) Large intestine e) Oesophagus 2) This organ produces a substance called bile that helps digest fat a) Stomach b) Liver c) Pancreas d) Small intestine e) Oesophagus 3) The tube that connects the mouth to the stomach a) Pancreas b) Small intestine c) Oesophagus d) Salivary glands e) Rectum 4) How do you say "Tragar" in English? a) Bite b) Chew c) Swallow d) Crush e) flap 5) How do you say "masticar" in English? a) Bite b) Chew c) Swallow d) Crush e) Flap 6) What is the name of the mixture formed in the mouth of food and saliva? a) Bile b) Gastric juice c) Saliva d) Bolus e) Chyme 7) What is the name of the semi-digested liquid that is formed of the food and gastric juices? a) Bile b) Gastric juice c) Saliva d) Bolus e) Chyme 8) In what part of the digestive system do the nutrients enter the blood? a) Oesophagus b) Stomach c) Liver d) Pancreas e) Small intestine 9) What is extracted from the food waste in the large intestine? a) Nutrients b) Water c) Bacteria d) Gastric juice e) Fat 10) Where is gastric juice produced? a) In the mouth b) In the salivary glands c) In the liver d) In the pancreas e) In the stomach

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