The human brain has a memory capacity, which is the equivalent of more than four terabytes on a hard drive. The body is at risk of contracting a lot of diseases and one needs to know the tall tell signs before they progress. The quiz below tests how much you know about human biology. Try it!
Questions and Answers
1.
There are two types of cancer tumours:
- ______ : the tumour grows in one place and doesn't tend to spread to other parts of the body.
- ______ : the tumour tends to spread to neighbouring tissues via the blood or lympth systems.
2.
________ is where cells break away from the tumour and start a secondary tumour; known as metastases.
3.
Genes called ____-_______ stop a cell from dividing too often.
4.
When a change occurs in DNA, we call it a _______. This can lead to uncontrolled cell ______.
5.
Cells also contain genes called tumour _______ genes; codes for proteins that stop the cell cycle. They cause cells with mutated DNA to undergo ________.