orgniasation and the digestive system Flashcards
What is the digestive system?
process of food being broken down to absorb nutrients.
What is the order of the digestive system?
mouth
gullet
stomach
small intestine
large intestine
rectum
anus
Use of stomach in ds?
holdsfood and mixes with acid to break food down
Use of small instestine in ds?
absorb soluble food and get rid of unnesecary components
Use of large intestine?
absorb water produce faeces
What are digestive ENZYMES?
protein catalysts which speed up chemical reactions.
What’s are some digestive enzymes?
cadbohydrase
Lipase
Protease
Amylase
What is the lock and key theory?
model which explains enzyme action
Where are protease made in?
small intestine
Stomach
Pancreas
Where is amlyse produced in?
small intestine
Salivary glands
Pancreas
where are lipases made in?
small intestine
Pancreas
What do analyse break down?
carbohydrates into simple sugars
what does protease breakdown?
proteins into amino acids
what do lipase break down?
fats into fatty acids and glycerol.
what does the villi do?
helps in absorbtion kf nutrientss
