Why does skin become oily in humid weather?
Excess secretion of sweat
Evaporation of water from the skin
Excess secretion of sebum
Oxidation of sebum
In humid weather, increased secretion of sebum makes the skin smooth and oily.
Sebaceous glands produce an oily secretion called _________.
Which gland discharges an oily secretion into hair follicles?
The glands that discharge an oily secretion into hair follicles is: