Biology B2- More on Enzymes and Digestion

what is the breakdown of food catalysed by?

enzymes

what are enzymes used in the digestive system produced by?

specialised cells in glands and in the gut lining

different enzymes catalyse the breakdown of different food molecules

funtion of salivary glands

these produce amylase enzyme in the saliva

functions of the liver

where bile is produced. bile neutralises stomach acid, and emulsifies fats

functions of the gall bladder

bile is store before it's released into the small intestine

function of large intestine

excess water is absorbed from food

functions of the rectum

stores faeces (mainly made up of indigestiable food) before leaving the body through the anus

functions of the small intestine

produces protease, amylase, and lipase enzymes to complete digestion

-also where digested food is absorbed out out of the digestive system into the blood

functions of the pancrease

prouduces protease, amylase, and lipase enzymes. releases these into small intestine

functions of the stomach

pummels the food with it's muscular walls

-produces protease enzyme (pepsin)

-produces HCl for 2 reason:

.to kill bacteria

.give the right pH for the protease enzyme to work (pH2 - acidic)