LIMITLESS
14.4.3 Skin Anatomy Exam
Temperature Regulation Structures - Past Paper Style Assessment
Skin Section Diagram (Cross-Section)
SECTION A: Diagram Labeling (Paper 2)
Label structure A on the diagram.
[1 mark]
Label structure B on the diagram.
[1 mark]
Label structure C on the diagram.
[1 mark]
Label structure D on the diagram.
[1 mark]
Label structure F on the diagram.
[1 mark]
SECTION B: Theory Questions (Paper 4)
Identify structure X (indicated by the arrow pointing to the coiled structure in the dermis).
[1 marks]
State the function of structure Y (fatty tissue layer beneath the dermis).
[2 marks]
Explain how vasodilation of blood capillaries in the skin helps reduce body temperature.
[2 marks]
State the role of the hair erector muscle when body temperature decreases.
[2 marks]
Describe how sweat glands help cool the body.
[3 marks]
SECTION C: Structure-Function (Paper 6)
How does the coiled structure of the sweat gland assist its function?
[2 marks]
Explain why the position of the fatty tissue layer (beneath dermis) is important for its insulating function.
[2 marks]
Suggest why capillaries in the skin are arranged in a network rather than a single vessel.
[2 marks]
A student suggests that shivering (muscle contraction) is more effective than hair erection for warming in humans. Evaluate this suggestion.
[3 marks]
Design an investigation to measure the effect of external temperature on sweat production. Identify ONE control variable.
[3 marks]
Cambridge IGCSE Biology 0610
Topic 14.4.3: Skin Anatomy & Temperature Regulation
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