Answer:
Hormones are the body's chemical messengers. They carry information and instructions from one set of cells to another. The endocrine system influences almost every cell, organ, and function in the body.
on what so that I can actually help u to answer it fast
Of course not! There's lots of ways materials can enter. It also depends on the cell; whether it has cell wall and cell membrane or only cell membrane.
Besides diffusion, there's also osmosis and active transport.
If the cell has only cell membrane, it means it's partially permeable, which means osmosis can happen.
*hope this helps :)
It weakens the infection. It also helps him not catch future infections and controls the spread of the infection.