Gastric System

food is taken in through the mouth

large pieces of food broken into smaller pieces by chewing. also in stomach when food churned and mixed

the breakdown/hydrolysis of food molecules by water and digestive enzymes

Peristalsis propels food through digestive tract

Food molecules pass through lining of small intestine into blood/lymph capillaries

Food molecules that cant be digested/absorbed are eliminated from the body in the form of faeces

Amino acids

Fatty acids and glycerol

Glucose

Saliva moistens food and begins to breakdown starch

Peristalsis moves food to stomach

Produces acid and enzymes

Produces enzymes that metabolise food (small intestine)

Produces bile that digests fats and vitamins

Stores bile

Produces digestive juices which mix with bile and pancreatic enzymes to breakdown proteins, carbs and fats. Absorption of water

Water absorption, Vitamin K production and where excess waste becomes stool

an acute viral disease

Swelling of the parotid salivary glands

childhood/adolescence (5-15 years)

In adults if onset is delayed

MMR vaccine

• painful swelling in side of face, under ears • headaches • joint pain • fever • dysphagia (difficulty swallowing)

• visual in GP • clinical examination of saliva for IgM