Question

the second stage of the life cycle of a human hair _______. a. lasts approximately 1,000 days b. is when the follicle recedes as the blood supply is reduced c. accounts for approximately 10 - 18 percent of all hairs d. is the source of trace evidence hairs found at a crime scene

Explanation:

The second - stage of the human hair life - cycle is the catagen phase. In this phase, the hair follicle shrinks as the blood supply is reduced. Option a is incorrect as the anagen phase (first stage) lasts about 2 - 6 years (around 1000 days or more in some cases). Option c refers to the telogen phase (third stage) which accounts for about 10 - 18 percent of all hairs. Option d is not specific to the second stage.

Answer:

B. is when the follicle recedes as the blood supply is reduced