Why is osmosis a type of facilitated diffusion?

Osmosis involves movement of water molecules across a semi permeable membrane. ... On the other side; facilitated diffusion does not require water molecules for other molecules to transfer. A major difference can be noted that osmosis requires water molecules but facilitated diffusion does not require any water molecules.

Explanation:

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it enhances antibody production by t cells of the adaptive immune system.

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explanation:

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.