sure it can
yeh, saliva, Vaginal Lubricant, The stuff frogs are covered in, mucus/Mucous etc etc
While mucus can provide some lubrication, it is not an ideal substitute for commercial lubricants. Mucus may not have the same consistency or longevity as personal lubricants, and it can vary in viscosity depending on various factors. Additionally, using bodily fluids can increase the risk of infections or irritation. For safe and effective lubrication, it's best to use products specifically designed for that purpose.
The word "mucus" is used with mucus membrane; mucus membrane secretes mucous.
It can be, and is, frequently. But do not use it as a lube on natural rubber - it will "eat" it.
WD 40, KP 53, Alkaline Acid, Mucus, Urin, Breast Milk, and you know what, screw it, just go in dry. Tell that female dog to bite the pillow cause you're going in dry.
It Is Used as lube
No. Please use only certified lube that is specifically produced as lube for sexual intercourse.
Sure it is used all the time.
Vaseline can be purchased from any pharmacy, is petroleum-based, and can easily be used as a lube.
Cheap lube/ booty greace
One kind of snail mucus is produced by the foot and is used for crawling. The second kind of external mucus is used to coat the external parts of the body. This coating helps prevent desiccation of the exposed soft tissues.
Mucus is typically used for trapping dust particles and bacteria, so where mucus itself is pretty sterile, there's all sorts of gunk attached to it.