BRAINCAKENatural Immunity
The body acquires natural active immunity when it has been exposed to a pathogen and the immune system has destroyed the pathogen.
B memory and T memory cells remain and will be activated if the pathogen is encountered in a subsequent infection.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
Key terms in this lesson
- pathogen
- A microorganism that causes disease.
- antibody
- A Y-shaped protein (immunoglobulin) produced by B plasma cells that binds specifically to a particular antigen.
More in Communicable Diseases
- Lymphocytes
- Cell-Mediated Immunity
- Humoral Immunity
- Auto-Immune Diseases
- Artificial Passive Immunity
- Artificial Active Immunity
- Vaccines
- Sources of Medicines
All 40 lessons in Communicable Diseases · All OCR AS-level Biology topics