The Alimentary Canal: The Stomach (Leaving Cert Biology): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Shape of the stomach
Shape of the stomach
J-shaped sac
Two main functions of the stomach
Two main functions of the stomach
Stores and digests food
Muscle that food enters stomach through
Muscle that food enters stomach through
Cardiac sphincter muscle
Definition of sphincter muscle
Definition of sphincter muscle
Circular muscle that can open and close
Cells that produce mucous in stomach
Cells that produce mucous in stomach
Goblet cells
Function of mucous in stomach
Function of mucous in stomach
Protects stomach wall from self-digestion
pH range provided by HCl in stomach
pH range provided by HCl in stomach
of
Two functions of HCl
Two functions of HCl
Kills bacteria and activates pepsinogen
HCl classification (enzyme or not?)
HCl classification (enzyme or not?)
Not an enzyme
What pepsin breaks down proteins into
What pepsin breaks down proteins into
Peptides
Description of pepsinogen
Description of pepsinogen
Inactive enzyme produced by stomach glands
How pepsinogen becomes pepsin
How pepsinogen becomes pepsin
Activated by HCl
Liquid formed when stomach churns food
Liquid formed when stomach churns food
Chyme