The Digestive System Flashcards
Digestion
The breakdown of food
Ingestion
Taking in food
Egestion
Passing any unabsorbed food out in the form of faeces
Physical digestion
The breakdown of food using your teeth
Incisors (how many+function)
(4)cut and slice food
Canines(how many +function)
(2)grip and tear food
Premolars(how many+function)
(4)grind and chew food
Molars (how many+function)
(6)grind and chew food
Chemical digestion
The breakdown of food using enzymes
An enzyme
A biological catalyst
Oesophagus
A muscular tube that carries food to your stomach
Stomach
-A muscular bag that holds food for a few hours.
-it contains hydrochloric acid
-the stomach churns and physically digests and mixes food
Small intestine
Nutrients are absorbed into the bloodstream
Liver
Produces bile
Gall bladder
Bile is stored here