Question

what does the dermal papilla do? contracts to raise hair upright perceives touch around the hair bulb supplies hair with nutrients and signals growth produces sweat for the skin

Explanation:

The dermal papilla is a structure in hair follicles. It has blood vessels that supply nutrients to the hair matrix (where hair cells are produced) and also plays a role in signaling for hair growth. The other options:

• The arrector pili muscle contracts to raise hair upright.
• Nerve endings around the hair bulb perceive touch.
• Sweat glands produce sweat for the skin.

Answer:

C. Supplies hair with nutrients and signals growth