The diagram shows the human skin - Leaving Cert Biology - Question b - 2015
Question b
The diagram shows the human skin.
(i) Name the parts labelled A, B, C and D.
(ii) Which labelled part plays a role in excretion?
(iii) Name one other excretory or... show full transcript
Worked Solution & Example Answer:The diagram shows the human skin - Leaving Cert Biology - Question b - 2015
Step 1
Name the parts labelled A, B, C and D.
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Answer
A = Hair
B = Blood vessel (or artery or vein or arterioles or venules)
C = Sweat gland
D = Erector muscle
Step 2
Which labelled part plays a role in excretion?
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Answer
C, the sweat gland, plays a role in excretion.
Step 3
Name one other excretory organ in the body.
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Answer
Kidney or lung.
Step 4
Give two other functions of the skin.
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Answer
Protection against infection / Protection against dehydration / Sensory organ / Temperature control.
Step 5
What happens to the structure labelled A when the body is very cold?
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Answer
A stands up.
Step 6
E is the sebaceous gland. Name a liquid produced by this gland.
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Answer
Sebum or oil.
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