Digestive System Flashcards
What is peristalsis ?
Several muscles contractions push food down oesophagus
Where is protease produced ?
Pancreas
Function of bile ?
Emulsify fats - breaks fat down to increase rate of digestion by lipase
Function of fats ?
Energy store
Thermal insulation
Protects organs
Function of pancreas ?
Produces enzymes such as protease and lipase
Function of vitamin D in a balanced diet ?
Helps with absorption of calcium
What is digestion ?
Breakdown of large molecules into small molecules
Function of stomach ?
Produces protease
Produces hydrochloric acid which kills bacteria and digests food
Function of duodenum (last part of intestine) ?
Last site of digestion for carbohydrates, proteins and fats
What digests protein into amino acids
Proteases
Where is maltase produced ?
Small intestine
Function of colon ?
Absorbs water into blood
Function of vitamin A in a balanced diet ?
Used to make rod cells in retina
What is in saliva ?
Amylase - breaks down starch
Where is bile made and stored ?
Made in liver
Stored in gall bladder