If we get infected again by the same pathogen in the future, the white blood cells can produce the antibodies so quickly to kill the pathogens before they make us ill.

What is a pathogen? A pathogen is a microorganism that causes a disease. Pathogens spread communicable diseases meaning that they are transmitted person to person and are infectious. …

Phagocytosis is the name given to the process where phagocytes (a type of white blood cell found in blood) will ingest invading pathogens or large particles and d...

What is a pathogen? and how does it cause disease? Pathogens are microorganisms that cause disease. They may be bacteria, viruses, protists or funghi. They can infect animals and plants, …

White blood cells can kill pathogens in multiple ways, one of these is called phagocytosis. During phagocytosis, a specific white blood cell called a phagocyte re...

What is phagocytosis? Phagocytosis is when a white blood cell - or "phagocyte" - engulfs a pathogen that has entered the body and has made it past the body's physical barrier defences.The phagocyte …

The Primary Immune Response occurs at first contact with the pathogen. The body takes several days to build up a sufficient amount of antibodies. There is a three-pronged attack in response to primary …

Once the pathogen is located by the macrophage cell, invagination of the membrane begins. The macrophage cell will engulf the pathogen as the membrane invaginates, forming a pouch /cavity …

Describe how pathogens cause infections and describe how the immune system defends itself against these pathogens

How do vaccinations work? People are immunised against pathogens through vaccination - usually an injection. A vaccine is comprised of dead, inactive or weakened pathogen or virus. These act as …