Question

matching

1. use the word bank to match the five main structures of the hair root with their descriptions. each structure will be used twice.

word bank: hair bulb, hair follicle, sebaceous glands, arrector pili - muscle, dermal papillae
contraction of this structure causes the hair to stand up, resulting in \goose bumps\
found at the base of the hair follicle
contains blood vessels that supply nutrients that allow the hair to grow
hair follicle tube - like structure that surrounds the hair root and anchors the hair in the skin or scalp
produces a substance called sebum, also known as oil, which lubricates the hair and skin
arrector pili muscle involuntary muscle in the dermis that attaches to the hair follicle
dermal papilla cone - shaped elevation at the base of the hair bulb
sebaceous glands attached to the hair follicle
hair bulb bulb - shaped; contains living cells that will form the hair strand
not found on the palms of the hands or the soles of the feet

Explanation:

The arrector pili muscle contraction causes goose - bumps. Dermal papillae are at the base of the hair follicle and have blood vessels for hair growth. Hair follicles are tube - like structures anchoring hair. Sebaceous glands produce sebum and are attached to hair follicles. Hair bulbs are bulb - shaped with cells for hair strand formation and are not on palms or soles.

Answer:

Contraction of this structure causes the hair to stand up, resulting in "goose bumps": arrector pili muscle
Found at the base of the hair follicle: dermal papillae
Contains blood vessels that supply nutrients that allow the hair to grow: dermal papillae
Tube - like structure that surrounds the hair root and anchors the hair in the skin or scalp: hair follicle
Produces a substance called sebum, also known as oil, which lubricates the hair and skin: sebaceous glands
Involuntary muscle in the dermis that attaches to the hair follicle: arrector pili muscle
Cone - shaped elevation at the base of the hair bulb: dermal papillae
Attached to the hair follicle: sebaceous glands
Bulb - shaped; contains living cells that will form the hair strand: hair bulb
Not found on the palms of the hands or the soles of the feet: hair bulb