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Blood agent

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Some gases can hurt our bodies. These gases go into our blood. They stop our cells from getting the air we breathe. This can make a person very sick very fast.

These gases can smell like almonds or garlic. Some of them are used in factories. They can also be found in smoke.

Some gases can even be found in nature. If a person breathes them in, they may feel dizzy. They may also feel weak.

In very bad cases, these gases can cause death. The blood of a person may turn bright red. This happens because the cells cannot use the air.

It is important to wear masks to stay safe.

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