Question

Define Diffusion. Give One Example Of It In A Living System.

Answer 1

Answer:

Diffusion is the movement of particles from their higher concentration to lower concentration.

When we add raisins in a beaker half filled by water and observe it after few hours, we find that the raisins swell.

Explanation:

This is due to endo osmosis, a special case of diffusion. Here, water travels from its higher concentration to its lower concentration.

Answer 2

Answer:

HEY MATE HERE IS YOUR ANSWER...↓↓

When molecules move (diffuse) via special transport proteins found within the cell membrane, it is called facilitated diffusion, otherwise it is only simple diffusion.

1.An example of diffusion in biological system is diffusion of oxygen and carbon dioxide across the alveolar-capillary membrane in mammalian lungs.

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