What would happen to the skin if the oil produced by sebaceous glands was instead a polar covalent compound?

Fill in the blanks: Sebaceous glands secrete by____ secretion; sweat glands secrete by____ secretion.

Match each type of gland with its correct properties.     

____Eccrine sweat gland     

____Sebaceous gland     

____Ceruminous gland     

____Mammary gland     

____Apocrine sweat gland

a. Branched gland that secretes sebum into a hair follicle

b. Gland that secretes a protein-rich sweat into a hair follicle

c. Simple coiled tubular gland found over most of the body that secretes sweat through a sweat pore

d. Gland that secretes ear wax

e. Modified sweat gland that produces milk

How do sweat and sebum differ?