Barriers to Infection – Immunity Ep 5

In order for a pathogen to enter the body and cause a disease, it must pass through the body's non-specific defences. The barriers to infection are non-specific because they respond to all pathogens in the same way. Infection routes There are four main routes with a pathogen can take to enter the body: The digestive... Continue Reading →

Antibodies – Immunity Ep 4

Antibodies are very important proteins in the immune response. We've already mentioned them a lot in the last few articles but today we will take a detailed look at their structure and function, and how they can be used in medical applications. Antibody structure Antibodies are proteins with a quaternary structure. They have two longer... Continue Reading →

The Immune Response – Immunity Ep 1

Sometimes the body comes under attack from pathogens (microorganisms that can cause disease). If pathogens get into our body, it is down to our immune system to spring into action and destroy them. In this article we will be looking at how foreign antigens trigger our immune response, and how that results in the pathogens... Continue Reading →

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