What is the role of the plasma membrane in facilitated diffusion & how is it different form osmosis?

osmosis or diffusion. ... It is a process called facilitated diffusion. It could be  simple as bringing in a glucose molecule. Since the cell membrane will not allow glucose to cross by diffusion, helpers are needed. Plasma , The primary function of the plasma membrane is to protect the cell from its surroundings.

wheres the options ? : (

explanation:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]