The opening in the nasopharynax tht permits air pressure on both sides of tympanic membrane of the ear to be kept equal is

The structure which opens in the nasopharynx that permits air pressure on both sides of tympanic membrane of the ear to be kept equal is :-

The air pressure on our body is equal to

Structure that helps to maintain equal pressure on both sides of ear drum is

Proper air pressure in the middle and internal ear is maintained by

Determine excess of pressure in side air bubble

Is the number of atoms of each element equal on both sides ?

Now, is the number of magnesium atoms equal on both sides ?

Is the number of Atom of each element are equal on both side?