Our body is made up of chemicals. With the help of these chemials new structures are built and energy is given to you.

The food consists of different chemical structures:
proteins, carbohydrates, fats, water, vitamins and minerals.
Long molecules can‘t get through the membranes into the body/blood…so they have to be broken down into small structures. This is called DIGESTION.

To stay healthy we need enough of all these structures…we need a balanced diet.

Food and digestion -  the food circle


Where does our energy for living come from?

Looking down the food chain we find plants. Plants are eaten by animals, which get their energy from the plant structures. But where do the plants get their energy from?


The magical word is: photosynthesis. Have a look at the animation to find out how the food circle works: