Answer :
Basically a particular organ in the body that sends chemical signals to other parts of the body OR might have discharge or something else (sweat) coming out of it. It also might have hormones which is another kind of signaling
Glands are organs that produces and/or a substance.
endocrine glands produce and secrete hormones.
sweat glands secret sweat.
sebaceous glands secrete sebum (oil)
endocrine glands produce and secrete hormones.
sweat glands secret sweat.
sebaceous glands secrete sebum (oil)