Respuesta :
Answer:
All cells are surrounded by cell membrane that controls the materials that move in and out of the cell :3
Step-by-step explanation:
:3
Answer: cell membrane
Step-by-step
explanation: Every cell in the body is enclosed by a cell (Plasma) membrane. The cell membrane separates the material outside the cell, extracellular, from the material inside the cell, intracellular. It maintains the integrity of a cell and controls passage of materials into and out of the cell.