The body’s appendix – level 2
The appendix is a small tube in our lower belly. It is on the right side, and it is attached to the large intestine. The large intestine gets water from food, and it moves the rest of food out of the body.
Scientists are not sure why we have the appendix. Most of them agree that it could an important organ for the animals, which humans evolved from. Most people can live without the body part, but studies show that it can be important for us.
One study says that the appendix makes our body stronger because it makes bacteria to help us eat food. People, who have no appendix can have more severe illnesses, for example diarrhea. Another study says that the appendix makes bacteria to help when we are ill.
Difficult words: evolve (to develop over a long period of time), bacterium (a very small living thing, which can be useful for the body, but it sometimes causes diseases), diarrhea (an illness in which too much liquid waste leaves the body).
You can watch the original video in the Level 3 section.
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