lube.
Friction in the heart is minimized by the presence of a lubricating fluid called pericardial fluid between the heart and the pericardium, which is the outer covering of the heart. This fluid allows the heart to beat smoothly without friction or damage.
Avoided is the past tense and past participle of avoid. The past perfect tense of avoid is had avoided.
No, it was not avoided. It occurred.
if you wanted it too but it shouldn't be avoided
how can eyestrain be avoided in microscopic study
i think it it rolling friction
Static friction
No they couldn't have avoided it.
The Avoided Sun was created on 2007-04-25.
Avoided Deforestation Partners was created in 2007.
Emotional Barriers can best be avoided by expressing yourself.
something that cannot be avoided = inevitable