Why are eyelashes shorter than terminal hairs on the scalp?
A) The growth stage of an eyelash is shorter.
B) The vascular supply of the eyebrow follicle is much less than that of the hair follicle on the scalp.
C) Hormones in the eyebrow follicle turn off growth after it has reached a predetermined length.
D) Eyelashes grow slower than terminal hairs.
Answer: A
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