B7

Question 1

Benign tumours

Answer 1

Growth of abnormal cells that are containes in one area, usually within a membrane and do not invade other tissues

Question 2

Cancer

Answer 2

Common name dor a malignang tumour, formed as a result of changes in cells that lead to uncontrolled growth and division

Question 3

Carcinogens

Answer 3

Agents that cause cancer or significally invreases the risk of developing cancer

Question 4

Casual machanism

Answer 4

Something that explains how one factor influences another

Question 5

Correlation

Answer 5

An apparent link or relationship between two factors

Question 6

Ionising radiation

Answer 6

Has enough energy to cause ionisation in the materials it passes through, which in turn can make them bilogically active and may result in mutation and cancer

Question 7

Manlignant tumors

Answer 7

Invade neightbouring tissues and spread to different parts of the body in the blood where they form secondary tumours. They are also known as cancers

Question 8

Tumour

Answer 8

Mass of abnormally growing cells that forms when the cells do not respond to the normal mechanisms tht control growth and when control of the cell cycle is lost