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GASTROINTESTINAL SYSTEM - Coggle Diagram
GASTROINTESTINAL SYSTEM
SALIVARY GLANDS
parotid
largest salivary gland
located anterior and inferior to ears
produces only serous secretions
watery fluid; containing enzymes (amylase)
submandibular
located inferior to floor of oral cavity
produces both mucous and serous secretions
watery fluid and thick, slimy substance; lubricating food
sublingual
smallest salivary gland
located inferior to tongue
produces both mucous and serous secretions
SWALLOWING (deglutition)
buccal phase
tongue moves against hard and soft palate
tongue pushes bolus
lingual lipase and salivary amylase secreted
breakdown of starch
water content of saliva helps bind particles together to form a
bolus
pharyngeal stage
oesophageal stage