The apocrine sweat glands secrete the complex organic chemicals that give an individual their distinctive smell.

However, before that disappearance, some glands secrete unequally much.

In the pharynx, the pharyngeal glands secrete mucus.

In the oral cavity, salivary glands secrete an array of enzymes and substances that aid in digestion and also disinfection.

Typically, glands secrete tears for lubrication of the cornea.