What takes place across the respiratory membrane

Is the tough fibrous membrane surrounding a bone. intra peri inter poly

When a patient becomes angry or embarrassed that they are being asked for payment, what you do to lessen the negative reaction?

Which action occurs in the third stage of cell division a. the nuclear material of a cell is copied exactly b. the nuclear membrane disappears c. the cell forms two nuclei or d. the nuclear material separates, with half moving to wither side of the cell