What is the function of the hair shaft?   Quick Answer  Hair
shafts have various functions, including regulating body
temperature, protecting sensitive parts of the body from harm
and facilitating the evaporation of sweat, according to
Dartmouth University. Hair shafts are the visible part of hair
on the surface of the skin.  Know More What is the function of
the hair shaft? Credit: STEVE GSCHMEISSNER/SPL Science Photo
Library Getty Images  Full Answer  Hair shafts protect the skin
in a variety of ways. For example, the hair on the top of a
person's head serves to protect the skull from excessive heat
and cold. Hair shafts provide warnings in some instances. If an
insect alights on a person's body, the individual often feels
the presence of the insect due to the tingling of a hair shaft.
Hair shafts in the form of eyelashes help to protect our eyes as
well.  Is this answer helpful?  Similar Questions