14. (a) (i) Name two types of digestion that take place in the human body - Leaving Cert Biology - Question 14 - 2021
Question 14
14. (a) (i) Name two types of digestion that take place in the human body.
(ii) Food is moved along the digestive system by muscular contractions. What is this proc... show full transcript
Worked Solution & Example Answer:14. (a) (i) Name two types of digestion that take place in the human body - Leaving Cert Biology - Question 14 - 2021
Step 1
(i) Name two types of digestion that take place in the human body.
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Answer
The two types of digestion that occur in the human body are:
Chemical Digestion: This process involves the breakdown of food through enzymatic action, where complex molecules are converted into simpler forms.
Mechanical Digestion: This includes the physical process of breaking down food through chewing and the grinding action of the stomach.
Step 2
(ii) Food is moved along the digestive system by muscular contractions. What is this process called?
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Answer
This process is called Peristalsis. It consists of rhythmic muscular contractions that help move food through the digestive tract.
Step 3
(i) Name the parts labelled A, B, C, D, E.
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Answer
The parts labelled in the digestive system diagram are:
A: Duodenum (or small intestine)
B: Liver
C: Stomach
D: Pancreas
E: Colon (or large intestine)
Step 4
(ii) Name the acid released by part C.
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Answer
The acid released by part C (Stomach) is Hydrochloric acid.
Step 5
(iii) What liquid is stored in the gall bladder?
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Answer
The liquid stored in the gall bladder is Bile.
Step 6
(iv) Give any two functions of the part labelled B.
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Answer
Two functions of the part labelled B (Liver) are:
The liver breaks down old red blood cells and recycles components such as iron.
It also produces bile, which is necessary for the digestion and absorption of fats.
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