Hair grows constantly throughout puberty, and can last until you're 19 years old, so don't worry about the amount of hair you have until you're an adult! By then, you'll most likely be covered in the stuff!
A hank ?
A "Lock" of hair.
The arrector pili muscle is responsible for causing hair to stand on end when contracted. It is a small bundle of smooth muscle fibers attached to the hair follicle. When this muscle contracts, it pulls on the hair follicle, making the hair upright.
Wisp:noun:a small and thin bundle of hay or straw; a thin tuft of hair, or small bit of something else.a thin piece or strand; a small trace or hint; a faint streak; something weak, slight, or delicate.
The Na'vi posses a hair covered neural fiber bundle, almost looking like a long braid of hair, that extends from the back of their skull. This bundle is called a queue and is used to create a neural bond, called Tsahaylu.
arrector pili.
Help--- It's the Hair Bear Bunch - 1971 Love Bug Bundle was released on: USA: 2 May 2000
It depends on the specific item being referenced, but typically a bundle of 10 human hairs stacked together is needed to match the thickness of a single human hair.
a wisp
The Na'vi posses a hair covered neural fiber bundle, almost looking like a long braid of hair, that extends from the back of their skull. This bundle is called a queue and is used to create a neural bond, called Tsahaylu.
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.