Welcome to My Bitesize, let's get you set up!

Add your subjects to find the right study guides, track progress and keep everything in one place.

Add my subjects
My Subjects

Treating, curing and preventing disease - OCR Gateway Video

Pathogens are everywhere. The body has evolved defences that act to prevent pathogens entering it. If a pathogen does enter the body then the immune system helps to fight it off.

Part ofBiology (Single Science)Global challenges