Tutorial
iGCSE Biology: Understand Diseases and Immunity
Learn about pathogens, disease transmission, and the immune system for Cambridge iGCSE Biology. Covers active and passive immunity, vaccination, and cholera.
Tutorial
iGCSE Biology: Understand Diseases and Immunity
Learn about pathogens, disease transmission, and the immune system for Cambridge iGCSE Biology. Covers active and passive immunity, vaccination, and cholera.
Management & Tools
Deck Contents
45 CardsLesson#1
Welcome to part 3, human physiology and health, of your iGCSE Biology course. Let's get stuck in!
Lesson#2
In this deck, we'll explore how your body defends itself against disease. First, we need to define what causes disease. A pathogen is any organism that can cause a disease, such as a bacterium, virus, or fungus.
Quiz#3
What is the specific term for a disease-causing organism?
pathogen
Lesson#4
Some diseases can spread from one person, or host, to another. These are called transmissible diseases. They can be passed on through direct or indirect contact.
Quiz#5
What is the term for a disease that can pass from one host to another?
transmissible disease
Lesson#6
Direct transmission involves direct contact with an infected person, for example through touching or the exchange of body fluids like blood or saliva. Indirect transmission happens without direct human contact, such as through contaminated water, food, air, or by touching contaminated surfaces.
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