epidermis
dermis
subdermal tissue
whole of the skin
B. dermis
mucoprotein
bony substance
cartilage
selenoprotein
gradual loss of elasticity in the subcutaneous layer
gradual loss of adipose tissue below dermis
poor supply of blood to skin
excess loss of water from skin
the removal of excess water
excreting excess salts
excreting nitrogenous wastes
cooling
tips of pinnae
area around the lips
soles of the paw
all of these
plug the skin pores
nourish the hair follicles
cool the skin by vaporisation
make the skin and hair water proof
sebaceous glands
sweat glands
mucous glands
sudorific gland
epidermal
mesodermal
dermal
endodermal
eyes of mammals
olfactory passage of mammals
external auditory meatus in mammals
none of these
water and fat
proteins
carbohydrates
all of these
hormones
water and salt
oil
sebum
root
follicle
papilla
bulb
in the epidermis
in the dermis
in the muscles
below the derm
stratum comeum
stratum spongiosum
stratum compactum
any of these
presence of sweat glands
stratum coreum
stratum lucidum
thick subcutaneous fat
mucus
tears
hormones
enzymes
hairs
stratum granulosum
lymph vessels
nerve fibres
mucous glands
sebaceous glands
hairs
nails
Lacrimal glands
Meibomian glands
Sudorific glands
Cowper's glands
subcutaneous layer
epidermis
glands
stratum corneum
scales
epidermis I
mucous glands
chromatophores
on the dorsal side
on the ventral side
on the snout
in the lateral dermal plicae
it can run fast
it can not run at all
it can run freely
nothing will happen
stratum granulosum
stratum comeum
dermis
malpighian layer
skin in the epidermis
skin in the dermis
stomach in its epithelium
intestine in the epithelium
stratum lucidum
stratum corneum
stratum granulosum
malpighian layer
the skin is soft
the skin is not respiratory
the skin has sebaceous glands
the skin has hairs
epidermis
dermis
subcutaneous layer
skin glands
wrinkles
hair
feathers
nails
cuticle
keratin
chitin
none of these
Regulation of water content
Removal of excess salts
Killing of bacteria
Regulation of body heat