How does your body recognize pathogens

They're recognized by the immune cells.

Pathogens have different distinguashable patterns in their molecules, which allows our immune cells to tell wether a body is pathogenic or not. Once these pathogenic bodies are recognized, then the whole immune system starts working to fight against the infection.

Hope it helped,

BioTeacher101

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explanation: bc blah

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .