Talk About: -Aragon and Castile

question 34

Essay

Talk about:
-Aragon and Castile

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Definitions:

Semipermeable Membrane

A membrane that allows the passage of certain small molecules or ions but blocks others.

Concentration Gradient

A variation in the concentration of a substance across a distance, often leading to the diffusion of substances from an area of higher concentration to an area of lower concentration.

Diffusion

Spontaneous spreading of molecules or atoms through a fluid or gas.

Indigestible Substances

Materials that cannot be broken down and absorbed by the digestive enzymes and system of an organism, often passing through the system largely unchanged.