You Have Cut a Hole in the Middle of a Large

question 14

Multiple Choice

You have cut a hole in the middle of a large sheet of metal.When the sheet is heated,the area of the hole

• A)does not change.
• B)always increases.
• C)always decreases.
• D)increases if the hole is not in the exact center of the sheet.
• E)decreases only if the hole is in the exact center of the sheet.

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Definitions:

Tactile Corpuscles

Specialized nerve endings in the skin that are responsible for sensitivity to light touch.

Merkel Cells

Specialized skin cells involved in the sense of touch, capable of detecting textures and shapes.

Root Hair Plexuses

Nerve fiber networks found in the dermal layer of the skin that allow for the sensation of touch in hair-covered skin.

Baroreceptors

Sensory nerve endings in the cardiovascular system sensitive to blood pressure changes, helping in reflex control of the blood pressure.