The wording of this question suggests that you are trying to find the answer to a test. I'm sure most of us would advise that you use the knowledge that the teacher has drilled into you to answer this question.
arrector pili.
The root of each hair follicle is connected to the small arrector pili muscles are small muscles attached to hair follicles in mammals. Each arrector pili muscle has a bundle of smooth muscle fibers which attach to the follicular units which have nerves.
Arrector pili
a bundle
a bundle of paper is called a sheaf
This is called estrogen.
bundle
The muscles are called arrector pili and they pull the hair upright for both of those reasons and a few others.. let me know if you want to know more :)
A bundle of wires are called a cable.
Your hair follicles are located in your Dermis. The innermost section of the skin, made up the papillary layer and the reticular layer. The dermis contains blood and lymph vessels, nerves, sweat and oil glands, hair follicles, and arrector pili muscles. The dermis nourishes and supplies blood to the epidermis.
Yes, and that bundle is called a photon.
The sebaceous glands give off a secretion called "sebum" into the follicles.