What is cancer?

SunSmart Millionaire How sunsmart are you?

What is cancer?

Back to brainiac home

Get the info

Cells in the body normally grow and divide in a controlled way. Cancer cells are cells that have got out of control and keep multiplying. They form lumps of cells which are called tumours.

Tumours can be benign and stay within the tissue that they formed in, or malignant and spread to other parts of the body. Malignant tumours are the most dangerous as they will destroy surrounding tissue.

More on skin cancer…

Malignant cancer cells

Malignant cancer cells move into new tissue

Check this out

Test yourself