B.7

Question 1

What is cancer

Answer 1

Cancer is a disease caused when a cell mutates and loses control over its cell cycle causing it to reproduce in an uncontrolled way which forms a tumour

Question 2

What is a benignant tumour

Answer 2

These tumours don’t spread but instead build up in one spot and grow very large which can be dangerous if the put pressure on organs

Question 3

What is a malignant tumour

Answer 3

These tumours break up and spread around the body while multiplying. These spread fast by travelling through your blood stream and are hard to treat because of how they move through your body

Question 4

What can cause cancer

Answer 4

Chemicals such as Asbestos and tobacco tar
UV light or infrared radiation
You can be born with cancer if the woman had cancer while she was pregnant

Question 5

What is radiotherapy

Answer 5

The cancer is targeted with radiation that stops mitosis from happening. This also damages healthy cells

Question 6

What is chemotherapy

Answer 6

The patient is given chemicals that kill the cancer but this also makes the patient ill and has side effects such as hair loss

Question 7

How does smoking effect our health

Answer 7

Tar: builds up in your lungs and damages them, making it hard to breath. Also can cause cancer
Nicotine: the addictive chemical that is harmless on its own but makes your heart beat faster
Carbon monoxide: poison chemical that binds to your blood cells in place of oxygen leading to an oxygen deficiency

Question 8

Smoking and heart disease

Answer 8

Chemicals in tobacco thin and age your coronary arteries while nicotine makes your heart beat faster. It also increases your blood pressure so all these factors combined increase the chance of a stroke or heart attack