The Alimentary Canal: The Mouth and the Oesophagus (Leaving Cert Biology): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What two types of digestion occur in the mouth?
What two types of digestion occur in the mouth?
Mechanical and chemical
Why does breaking food into smaller pieces speed up digestion?
Why does breaking food into smaller pieces speed up digestion?
It increases surface area for enzymes
What is the main function of incisors?
What is the main function of incisors?
Cutting and slicing food
What is the main function of canines?
What is the main function of canines?
Gripping and tearing food
Which enzyme carries out chemical digestion in the mouth?
Which enzyme carries out chemical digestion in the mouth?
Amylase
What does amylase convert starch into?
What does amylase convert starch into?
Maltose
Where is the enzyme amylase found?
Where is the enzyme amylase found?
Saliva
Which of these is NOT a component of saliva?
Which of these is NOT a component of saliva?
Pepsin
What is the ideal pH in the mouth?
What is the ideal pH in the mouth?
7-8
What is the function of the epiglottis?
What is the function of the epiglottis?
Covers trachea so food enters oesophagus
What type of muscle is the oesophagus made of?
What type of muscle is the oesophagus made of?
Involuntary muscle
What stimulates peristalsis in the alimentary canal?
What stimulates peristalsis in the alimentary canal?
Fibre (cellulose)