Biology 4.4 Flashcards
What is cancer caused by?
Uncontrolled growth and division of cells.
What are benign tumours?
Tumours that stay in one place and don’t spread.
What are malignant tumours?
Cancerous tumours that can spread to other parts of the body.
What can malignant cells do?
They can break off and spread to other parts of the body through the bloodstream.
What are risk factors for cancer?
Factors that increase the chance of developing cancer.
True or False: Having risk factors guarantees that a person will get cancer.
False.
What are lifestyle risk factors?
Risk factors associated with a person’s lifestyle.
Name a lifestyle risk factor linked to lung cancer.
Smoking.
What is the second biggest preventable cause of cancer?
Obesity.
Fill in the blank: UV exposure increases the chance of developing _____ cancer.
skin
What is a common characteristic of malignant tumours?
They invade healthy tissues and can form secondary tumours.
What has contributed to increased cancer survival rates?
Medical advances, early diagnosis, and increased screening.
List three cancers linked to smoking.
- Lung cancer
- Mouth cancer
- Cervical cancer
What is a risk factor associated with sun exposure?
Increased chance of developing skin cancer.
What is the primary cause of cancer related to genetics?
Genetic risk factors.
