What structure keeps harmful chemicals out of the animal cells

The cell membrane keeps harmful chemicals out of animal cells.

The cell membrane is what keeps harmful chemicas  out of an animal cell. It regulates traffic of all chemicas and proteins in and out of the cell.

93.2 ml + 3920 ml = 4013 ml total  

(93.2 ml) * (2.03 m) / (4013 ml) = 0.0471 m

the volume in in l of the diluted solution would be 0.0471 m.

ill try to . no promises tho.

explanation: