GCSE Biology - Cancer | Benign & Malignant Tumours

⭐️ https://www.cognito.org/ ⭐️

** WHAT'S COVERED **
1. What Cancer Is
A disease involving uncontrolled growth and spread of abnormal cells.
2. Understanding Tumours
The difference between cancer and tumours.
Definition of a tumour as an abnormal mass of cells.
3. Types of Tumours
Benign tumours: contained, usually within a membrane, not cancerous.
Malignant tumours: can invade tissues, spread via bloodstream, form secondary tumours, considered cancerous.
4. Risk Factors for Cancer
Lifestyle factors: smoking, obesity, ultraviolet light exposure, alcohol consumption.
Genetic factors: inherited genes increasing susceptibility (e.g., BRCA genes).

** CHAPTERS **
0:00 What is Cancer?
0:35 Tumours
0:53 Benign vs Malignant Tumours
1:48 Risk Factors - Lifestyle
2:41 Risk Factors - Genetics

** PLAYLISTS **
   • GCSE Maths (9-1)  

   • GCSE Biology (9-1)  

   • GCSE Chemistry (9-1)  

   • GCSE Physics (9-1)  

   • Alevel Biology  

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