Cells

Hey there in class we are learning about cell so today i will talk about the different terms with cells, enjoy! :) 

Diffusion is when particles move apart from each other going from high concentration to low concentration. The particles keep on spreading until the particles have to where to going. There is two different transport they are active and passive, active is when you have to help the particles more and passive is when you don't need to do anything and the particle will spread themselves.   

Osmosis is like diffusion but with water. It is like spilling a drink on the floor the drink spreads until it hits something solid or the particles are too small to move.

There are 3 different permeability, semi-permeable, permeable, and non-permeable. semi-permeable is when the particles and cell flow through your body and some of the particles and cell flow through here an example :

The next one is permeable its like semi-permeable but all the particles and cell flow through.

Now last but not least non-permeable that is when nothing flows through and when it rains the rain doesn't leak through your roof unless there is a leak in your roof.