Composed of mostly proteins and lipids, the cell membrane serves as the attachment point for the intracellular cytoskeleton in a
ll cells and the cell wall in plant cells. The cell membrane's semipermeable nature allows it to regulate what enters and exits the cell. Given this description, to what organ can the cell membrane best be compared? A. liver
B. skin
C. heart
D. lung
The reproductive system is different from other body systems in that the reproductive system functions in the survival of a species while all other body systems function to ensure the survival of the individual.