Question

I have recently been doing a lot of research into the interplaybetween the innate and adaptive immune systems in humans, andmammalian laboratory models. This has led to my reading someinteresting information on the immune response in insects;

Insects have a highly efficient immune system. In response to abacterial attack, their fat body (the equivalent of the liver inmammals) synthesizes a whole range of peptides with anantibacterial and antifungal effect.

This fascinated me, as the clear inference is that there areno