
twacha sraav (maanav)

twacha key sraav way padaarth aur samagri hain joe twacha aur baahari shleshma jhilli dwara sraavit hotey hain. kuchh twacha sraav shareer key baalon seey judey hotey hain.
twacha key sraav epidermis kii twacha parat mein granthiyon seey utpann hotey hain. paseene, shareer key tapman key niyaman key liye ack shaaririk sahaayata, church granthiyon dwara sraavit hoti haye. cbasius granthiyaan twacha key snehak seabum kaa sraav karati hain. seabum baalon key shaft parr sraavit hotaa haye aur yeh baalon koo tootane seey rokta haye. isamen jyaadaatar lipid hotey hain. seabum key baalon key shaft key saath aur oopar failane key baad, yeh twacha kii satah parr vitarit kiya jaataa haye jahaan yeh twacha kii baahari parat, stratum cornium koo snehak aur jalrodhak banaata haye.
defencin way padaarth hain joe twacha kii satah parr sraavit hotey hain joe roganurodhi hotey hain.

