Question

what do you mean by radiotherapy and chemotherapy

Answer 1

Chemotherapy is the use of any drug to treat any disease. But to most people, the word chemotherapy meansdrugs used for cancer treatment. It's often shortened to “chemo.” Surgery and radiation therapy remove, kill, or damage cancer cells in a certain area, but chemo can work throughout the whole body.

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Answer 2

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⚫ Chromatography:
Chromatography is a technique used to separate mixtures into its components. In this method, a drop of mixture to be separated is placed on a filter paper, and the paper is hanged in a jar, slightly dipping in the solvent, so that when solvent rises up in the paper (as the filter papers has pores in it which allow the movement of the solvent), it carries the components of the mixture along with it. Different substances move at different speeds which allows the mixture to separate in its components.

⚫ Radiotherapy is a treatment where radiation is used to kill cancer cells. There are many different ways you can have radiotherapy, but they all work in a similar way. They damage cancer cells and stop them from growing or spreading in the body.

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