Digestive System Flashcards
Where does digestion start
The buccal cavity
What’s the term for chewing things up
Mastercation
What breaks down complex carbs
Amylase
What directs food down the oesophagus
The epiglottis
What is the term for food entering the stomach
Bolus
What is mechanical digestion
Churning/peristaltic contractions , mixes food with gastric juices to form chyme
Gastric juices include …x
Water
mucus
HCI
Pepsin (breaking down protein)
HCI stand for ?
Hydrochloric acid
What takes a few hours depending on the meal composition
Gastric emptying
Liver produces what
Bile and then it’s stored in the gall bladder
What does bile do
Released into first part of small intestine (duodenum) and acts to emulsify lipids like washing up liquid
The pancreas releases what
Pancreatic juice including bicarbonate and enzymes
What does bicarbonate do
Neutralises acid and raises pH
What are jujunum and ileum
Parts of intestine
Illeum
Absorption