Cancer Flashcards
1
Q
What is a benign tumour?
A
When a tumour grows until there is no room.
2
Q
What is a malignant tumour?
A
When the tumour grows and spreads to other healthy tissues. These tumours are cancerous.
3
Q
Define cancer.
A
When there is uncontrolled cell growth and division.
4
Q
What is a synapse?
A
A gap between two neurones.
5
Q
Define a carcinogen
A
A chemical that causes cancer.
6
Q
What do carcinogens do?
A
They damage the DNA which causes cancer.