Lo3 Flashcards
Buccal cavity
Mouth
Salivary glands
Release enzymes for chemical digestion
Epiglottis
Flap of tissue that covers the trachea to stop food entering
Oesophagus
Pipe that connects the mouth to the stomach
Stomach
Where food arrives, produces hydrochloric acid to break down food
Small intestine
Digests food coming from stomach by releasing enzymes and absorbing nutrients
Large intestine
Absorbs water and salt
Rectum
Stores faeces
Anus
Where faeces is excreted
Liver
Produces bile
Gallbladder
Stores bile
Bile duct
Carries bile to the small intestine
Pancreas
Produces insulin and pancreatic juices
Assimilation
Movement of food molecules into the cells where they are needed
Role of bile
Emulsify fat and neutralise chyme
Role of hydrochloric acid
Breaks down food molecules
Small intestine adaptations
Villi, large surface area, capilliaries
IBS definition
Food passes through gut too quickly, water not properly absorbed
IBS symptoms
Stomach pains, diarrhoea, constipation, bloating
IBS treatment
Avoid high-fibre foods, hard to digest
Coeliac Disease
Autoimmune disease where body attacks any gluten eaten, damages villi
Coeliac Disease symptoms
Indigestion, stomach pain, anemia, chronic fatigue, diarrhoea, constipation
Coeliac Disease treatment
Give up any food containing gluten, vaccinations, vitamin or supplements
Gallstones definition
Cholesterol and bilirubin build up in the gallbladder
