Histological structure of the GI tract

What are the 4 tissue layers of the GI tract?

What do these abreviations mean?

GALT
MALT

Name 3 salivary glands

Saliva is 0.5% solute.
In this solute there is
Amalyse
lysozymes
mucus
what do they do?

The pharynx is divided into two sections what are these?

When swallowed the bolus goes through 3 stages moving from the mouth down the oesophagus what are these?

where does the chyme from the stomach next enter after stomach digestion?

What type of digestion occurs in the stomach

What inactive enzyme do the cheif cells in the gastric pit produce and how is it activated?

what does pepsin digest?

how is the surface of the stomach protected from stomach acid?

what part of the GI tract is the pancreas attached to?

what is the pancreas made up off

What are the 6 stages of digestion?