Animal Tissues, organs and organs systems 6 Flashcards
1
Q
How is cancer caused?
A
Uncontrolled cell division
2
Q
What is a malignant tumour?
A
A cancerous tumour that can spread to other parts of the body
3
Q
What is metastasis?
A
The development of tumours following the spread of malignant cancer
4
Q
What is a benign tumour?
A
A non-cancerous tumour that doesn’t spread
5
Q
What can cause cancer?
A
Smoking, excessive drinking, Ionising radiation.
6
Q
What is ionising radiation?
A
UV rays, X rays and gamma rays that can cause mutations in the DNA
7
Q
A