no
It's watery.
It is a colloid.
Sebaceous glands secrete oil to protect the skin. Sweat glands secrete watery perspiration to excrete wastes and cool the body.
Saliva
saliva
The type of glands that open on the surface of the skin and secrete a watery substance are called sweat glands. These glands help regulate body temperature by producing sweat, which evaporates from the skin and cools down the body.
Chyme
Chyme
Saliva
Chyme
chyme
Aqueous humor.