What are some examples of diffusion in living organisms?

Diffusion is the spreading of something more widely. Some examples of diffusion are shown to help to illustrate the concept. read more

Diffusion is the movement of matter or energy without any external energy input. It tends to homogenise the environment. Living beings and cells can be studied as open systems, this means that they exchange matter with their surroundings. read more

Diffusion or passive transport occurs in living organisms without any additional input of energy. The process simply occurs if the concentration gradient is such that there is a concentration difference of a particular substance outside and inside a cell membrane. read more