a)
Y-sweat pore
X-Eractor pili muscles
b) W- produces sebum which keeps the skin supple/ antiseptic
Z- Secrets sweat which evaporates to bring about cooling/sweat also removes excretory products/excess salts/water
(c) vasoconstriction; hence less blood flows to the skin surface;reducing heat loss;no sweating;heat produced through out metabolisms/shivering;heat is retained in the body
marto answered the question on September 17, 2019 at 06:38
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A
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A...............................
B................................
C.....................................
D....................................
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B...........................
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