Human Digestive System Crossword Puzzle

QUESTIONS LIST:

• duodenum : the first part of the small intestine, one of its main tasks is to neutralise stomach acids passing into the intestines
• liver : as well as making bile, this organ clears alcohol from the blood, and stores vitamins and iron
• colon: another name for the large intestine
• pepsin : found in the stomach, this enzyme begins digestion of proteins
• fats : bile helps in the digestion of these
• elimination : the removal of indigestible food waste from the body
• peristalsis : muscular contractions of the oesophagus which move food along
• appendix : attached to the first part of the large intestine, this organ is actually part of the immune system
• rectum : where faeces is stored before exiting the body via the anus
• carbohydrate : this food type begins to be digested by amylase in the mouth
• villi : small, finger-like projections of the small intestine which increase absorption of nutrients
• pharynx : at the back of the throat, this directs food into the oesophagus rather than the lungs
• protein : the small intestine digests _ , fats and carbohydrates
• hydrochloric : the type of acid secreted by the stomach
• bile : this digestive fluid is made by the liver, then stored and released by the gall bladder
• amylase : a digestive enzyme found in saliva
• excretion : the removal of excess water, salts and cell wastes from the body
• oesophagus : the muscular tube which carries food from the mouth to the stomach
• insulin : the hormone made by the pancreas to regulate blood sugar levels