How does photosynthesis produce oxygen

What is photosynthesis?

This is why plants are so important

Without air we could not live on earth. Because a person needs oxygen to breathe. Plants do not need oxygen to live, they give off oxygen to the environment. This process is called photosynthesis. It is chemical and takes place in the plant.

The rainforests bring us the most oxygen. Tropical rainforests are mainly found in Asia and South America. There are so many trees and plants growing there that they can supply the whole world with oxygen. For this reason, the Amazon rainforest is also called the "green lungs of the earth".

For a better picture in your head: a hundred-year-old beech tree gives off as much oxygen within an hour as 50 people need to breathe.

How does photosynthesis work?

The process of photosynthesis needs sunlight, carbon dioxide and water. The process takes place in the chloroplasts of the leaves. The chloroplasts are part of the plant cell. There is the dye chlorophyll there. The chlorophyll gives the leaves their color. In addition, the chlorophyll is needed to form glucose and oxygen with the help of light, water and carbon dioxide. The green dye turns the sunlight it absorbs into chemical energy.

First, the carbon dioxide is broken down and, with the help of light, is combined into glucose. The plant also needs water for the process. It absorbs that through the roots.

In the end, the plants release the oxygen into the environment, because they cannot do anything with it. They need glucose to continue to grow, which is why the process is also necessary for the plant world. Glucose is grape sugar that can be converted into starch. With this starch, the plants can get to fats and proteins. That is the food for plants.