The Alimentary Canal: The Mouth and the Oesophagus (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Mechanical digestion
Mechanical digestion
Physical breakdown of large food into smaller pieces
Chemical digestion
Chemical digestion
Breakdown of food by enzymes & digestive juices
Four types of teeth
Four types of teeth
Incisors, canines, pre-molars, molars
Function of incisors
Function of incisors
Cutting and slicing food
Function of canines
Function of canines
Gripping and tearing food
Function of pre-molars and molars
Function of pre-molars and molars
Chewing and grinding food
Total no. of teeth in adult dental formula
Total no. of teeth in adult dental formula
32
Enzyme in saliva for chemical digestion
Enzyme in saliva for chemical digestion
Amylase
Where is amylase found in the mouth
Where is amylase found in the mouth
Saliva
What does amylase convert starch to
What does amylase convert starch to
Maltose
Ideal pH in the mouth
Ideal pH in the mouth
7-8
Function of epiglottis
Function of epiglottis
Covers trachea to ensure food enters oesophagus
Type of muscle in oesophagus
Type of muscle in oesophagus
Involuntary muscle
Peristalsis
Peristalsis
Involuntary wave of muscle contraction moving food along canal
What stimulates peristalsis
What stimulates peristalsis
Fibre (cellulose) in diet