a) A-secretion of sebum
D- production of sweat rej. Secrete for production
b) i) it contract causing the hair to stand erect trapping air
ii) it vasocontrict reducing the amount of blood flowing next to the skin.
c) Addiction /accumulation of dead cells to the hair root.
d) Secretion of sebum which is antiseptic production of melenin
sharon kalunda answered the question on September 17, 2019 at 09:38
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