How does the cell membrane interact with other cell structures to maintain the basic needs of the cell?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain

Which of the following can be assumed about the layers in areas 2 and 4