Which statement is not true regarding cell growth? A. It becomes more difficult to transport material into and out of the cell
B. It becomes more difficult to transport material around the cell
C. It becomes less difficult to transport material around the cell
D. DNA’s ability to direct the functions of the cell become limited

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!