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Imagine someone sprays a deodorant from across the room, eventually it will make its way over to where you are and you can smell it. Diffusion is the spreading out of particles resulting in a net movem...

Carbohydrates, Fats, Protein, Fibre, Vitamins and Mineral ions.

A gap between neurones where the impulse is transmitted chemically and triggers a new impulse in the nest neurone.

Ovaries.

A biological catalyst used to increase or decrease the rate of reaction.