It helps move wastes out of the cell and allows water and nutrients to move into the cell
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
All of these are necessary, but what you need the most I would say is
D. Movement
Without movement, your body can stiff up, causing muscle problems which can lead to many various things.
Answer:
Small cells have a smaller surface to volume ratio than longer
