Explanation:
Simple Diffusion across the Cell (Plasma) Membrane The structure of the lipid bilayer allows only small, non-polar substances such as oxygen and carbon dioxide to pass through the cell membrane, down their concentration gradient, by simple diffusion.
viruses multiply only in living cells, so I hope this helps <3
The digestive system is greatly affected by the irritation in the small intestine that occurs because of gallbladder disease.
