Diffusion is the spontaneous movement of substances from a region of high concentration to a region of low concentration.
Osmosis is the passage of water molecules from a high water concentration region through a selectively permeable membrane to a low water concentration region.
In diffusion, selectively permeable membrane is neither required nor involved while in osmosis, it is involved.
Answer:
im not sure BUT...
Explanation:
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The answer is C hope i helped
The central nervous system is what connects your spinal cord to your brain and the rest of your body.