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Alimentary Canal REGION and FUNCTION - Coggle Diagram
Alimentary Canal REGION and FUNCTION
MOUTH
Occurs mechanical digestion by teeth and chemical digestion of starch by amylase
The end of mastication is food bolus swallowed to be digested in stomach
Saliva Glands
contains amylase and liquid for lubricate food and make small pieces stick together
OESOPHAGUS/GULLET
Transfer food from the mouth to stomach by peristaltic
Stomach
Produces gastric juice contains
Pepsin : protein into peptides
HCL : kill bacteris/germ in food
Lipase : fat into fatty acids and glycerol
DUODENUM
The first part of small intestines that receives pancreatic juices
Recieves bile to emulsify fats
ILEUM
Second part of small intestine
Enzyme in the epithelial lining carry out chemical digestion of maltose and peptides
Has villi and extremely large surface area to absorb of digested food molecule
PANCREAS
Secret pancreatic into duodenum through duct for chemical digestion of protein, fats, starch
Pancreatic juices
Protease : Trypsin : break down protein ( peptides to amino acid
Amylase ; break up carbohydtare to glucose
Lipase ; breakdown fat into fatty acids and glycerol
Produces Insulin hormone to regulate blood sugar levels (decrease the blood sugar level)
Produces Sodium Carbonates (a base) to neutralize stomach acids as chyme enters the duodenum.
LIVER and GALLBLADDER
Liver produces bile, a fluid loaded with lipids and salts to emulsify fats
Liver assimilates digested food as glucose
Gallbladder located under liver
Gallbladder stores bile, breaks up the globs of fat into smaller droplets,
COLON
First part of large intestine
Absorb water from undigested food and absorb bile salts to pass back to the liver
RECTUM
Second part of large intestine and stores feces
ANUS
Egests feces