3
QuizMultiple Choice

The Musculoskeletal and Integumentary Systems

Question 3 • Science 7 B (M12 25/26 S2)

Henry touched a hot plate and immediately moved his finger away from it.Which best explains the integumentary system’s role in this reaction?

Answer
A
Oil in the skin sensed the temperature difference.
B
Nerve endings in the skin responded to the heat.
C
Some hairs stood up when the fingers touched the plate.
D
His nails absorbed heat and moved his finger away from the plate.

Explanation

Nerve endings in the skin detect heat and send signals to the nervous system, which triggers a quick withdrawal reflex. Oil helps lubricate the skin, while hairs and nails do not sense the heat or move the finger away. The best choice is “Nerve endings in the skin responded to the heat.”

AI-written and checked against the verified answer.

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