This process is known as a involuntary reflex.
Cell wall is an envelop covering the cell.Owing to its exceptional strength and its ability to control cell shape,the extracellular matrix of eubacteria,algae,fungi and plants is called the cell wall.cell wall provides rigidity and protection.It help in maintaining the shape and stiffness.
The correct answer would be "Density is the amount of matter in a certain volume"
Pretty sure the answer is Mitosis
