The diagram shows the human digestive system - Leaving Cert Biology - Question c - 2012
Question c
The diagram shows the human digestive system.
(i) Name the parts labelled A, B and C.
(ii) Explain the term digestion?
(iii) Name one human tooth type and give it... show full transcript
Worked Solution & Example Answer:The diagram shows the human digestive system - Leaving Cert Biology - Question c - 2012
Step 1
Name the parts labelled A, B and C.
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Answer
A = Duodenum or Small Intestine; B = Colon or Large Intestine; C = Stomach.
Step 2
Explain the term digestion?
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Answer
Digestion refers to the process by which food molecules are broken down into smaller, absorbable components. It involves both mechanical and chemical breakdown, allowing nutrients to be effectively absorbed by the body.
Step 3
Name one human tooth type and give its function.
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Incisor is one type of human tooth, which is primarily used to cut food.
Step 4
Part C secretes hydrochloric acid onto the ingested food. Give one function of this acid.
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One function of hydrochloric acid is to kill bacteria present in the ingested food, ensuring food safety and aiding in digestion.
Step 5
Give one digestive function of part D.
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One digestive function of part D is the production of bile.
Step 6
Give one digestive function and one non-digestive function of the pancreas.
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One digestive function of the pancreas is to produce enzymes that aid in the digestion of food. A non-digestive function of the pancreas is the production of insulin, which regulates blood sugar levels.
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