GCSE Biology - Communicable Disease

⭐️ https://www.cognito.org/ ⭐️

** WHAT'S COVERED **
1. Introduction to Microorganisms and Pathogens
Types of microorganisms: Bacteria, Viruses, Protists, Fungi.
Definition of pathogens as microorganisms that cause disease.
Pathogens cause communicable (infectious) diseases affecting animals and plants.
2. How Pathogens Spread
Through the air (e.g., influenza, measles in droplets).
Via contaminated food and water (e.g., cholera, salmonella).
By direct contact (e.g., athlete's foot).
3. Methods to Reduce the Spread of Pathogens
Practising good hygiene (e.g., washing hands, cleaning cooking equipment).
Killing vectors (organisms that transport pathogens, e.g., using insecticides against mosquitoes).
Vaccination to prevent individuals from catching and spreading diseases.
Isolating or quarantining infected individuals, especially for serious diseases.

** CHAPTERS **
0:00 Introduction to Microorganisms and Pathogens
0:49 How Pathogens Spread
1:46 How to Stop Pathogens Spreading (Prevention)
2:49 Summary

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

   • GCSE Biology (9-1)  

   • GCSE Chemistry (9-1)  

   • GCSE Physics (9-1)  

   • Alevel Biology  

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