I don't know keeps bones from rubbing together Cartilage, elastic tissuse forming parts of the skeleton
Yes..
Keeps your bones from being brittle. It is the 'blood' in the bones - keeps them living.
PUBLIX :)
saliva
Lubricants: Medications that keep eyes moist, mimicking natural tears.
keeps them moist
They do have bones and that is a fact!!! They do not have bones, they have cartilage.
With the nictitating membrane, which keeps it moist
Amniotic fluid
Vegetable oil keeps brownies moist.
Drinking milk and walking in broad sunlight i.e at 5:00 a.m morning keeps your bones healthy.