Cancer (AQA GCSE Biology): Flashcards
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15 cards from this deck
Cancer definition
Cancer definition
Uncontrolled cell growth and division
Cancer results in formation of
Cancer results in formation of
A tumour
All tumours cancerous?
All tumours cancerous?
No
Benign tumour location
Benign tumour location
Confined to one place
Benign tumours invade tissues?
Benign tumours invade tissues?
No
When benign tumours are dangerous
When benign tumours are dangerous
When pressing on vital organs (e.g., brain)
Malignant tumour characteristic
Malignant tumour characteristic
Cancerous, invade & spread to other tissues
Metastasis
Metastasis
Cancer cells spread via blood/lymph to form secondary tumours
Cancer cell division vs normal cells
Cancer cell division vs normal cells
Divide more rapidly
Cancer cell lifespan vs normal cells
Cancer cell lifespan vs normal cells
Live longer
Smoking increases risk of which cancers
Smoking increases risk of which cancers
Lung, mouth, bowel, stomach, cervical
Obesity linked to which cancers
Obesity linked to which cancers
Bowel, liver, kidney
UV light exposure risk
UV light exposure risk
Skin cancer
Viral infections that increase cancer risk
Viral infections that increase cancer risk
Hepatitis B & C (liver), HPV (cervical)
BRCA1 and BRCA2 genes linked to
BRCA1 and BRCA2 genes linked to
Breast and ovarian cancers