[" Small unstable variations which fluctuate on "],[" either side of an average condition are known "],[" as "]

Small minute openings on either side of cockraoch body are

When a cell contains some nondiffusible or fixed ions which are kept balanced by diffusible ions of opposite charge , this condition is known as

When a cell contains some nondiffusible or fixed ions which are kept balanced by diffusible ions of opposite charge , this condition is known as

When a cell contains some nondiffusible or fixed ions which are kept balanced by diffusible ions of opposite charge , this condition is known as

When a cell contains some nondiffusible or fixed ions which are kept balanced by diffusible ions of opposite charge , this condition is known as

When a cell contains some nondiffusible or fixed ions which are kept balanced by diffusible ions of opposite charge , this condition is known as

A forest in which people were allowed to stay on condition of free service was known as