In both dialysis and osmosis which particle do not pass through SPM :

Colloidal solutions are purified by dialysis. (r) In the process of dialysis, colloidal particles pass through parchment paper.

The electric lines of force do not passes through

The particles of a colloid can pass through a filter paper

During osmosis, water moves through a membrane

In a plane there are 37 straight lines, of which 13 pass through the point A and 11 pass through the point B. Besides, no three lines pass through one point , on line passes through both points A and B , and no two are parallel. Them the number of interaction points the lines have is equal to