please will you help me with some question

Biology
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how does cancer work in the body?

Nov 8th, 2014

Cancer is difficult to treat because of the fact that it can spread around the body. Cancer cells break away from the original primary tumour and spread through the bloodstream or the lymphatic system, forming new secondary tumours in organs such as the lungs, liver or brain. Scientists call this process metastasis.

There is the ’seed and soil’ concept – spreading cancer cells are like seeds from rogue weeds, spreading around a garden. But they can only root and grow if they land in suitable soil – namely particular parts of the body that can support and maintain their growth.

Reference:

http://www.cancerresearchuk.org/cancer-info/cancerandresearch/all-about-cancer/what-is-cancer/grow-and-spread/cancer-spread/spreading-around-the-body



Nov 8th, 2014

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