Can someone please help mee i need an answer that’s not from the internet How does the composition of the cell membrane help regulate the movement of substances into and out of the cell?

The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.

Explanation:

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.