Q:

How do plants help people?

A:

Quick Answer

Plants help people in several important ways, including filtering carbon dioxide into oxygen. They also act as food for both humans and animals and provide the basis for numerous types of medication.

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Full Answer

The numerous forest regions throughout the world provide the primary source of oxygen that all humans and animals need to breathe. The large collections of forest treetops collect the excess carbon dioxide deposits humans create during the respiratory process and use it during photosynthesis, processing breathable oxygen as a result. Plants also filter out other pollutants in the air. By storing and removing carbon and other pollutants, they also help to slow down human-caused climate changes. Excess carbon deposited into the atmosphere has a direct effect, as it can alter temperatures and weather patterns.

As a food source, plants are vital to all levels of the food chain. Humans need certain vitamins and minerals found only in plants. Livestock also eat plants as a primary food source. Without plants, animals such as cows, pigs and chickens would not be able to sustain a healthy diet and would eventually die out.

Many common medications use parts of specific plants as ingredients. Many homeopathic and herbal remedies rely on the healing powers of certain plants.

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