What are antibodies?
When you purchase through links on our situation , we may garner an affiliate commission . Here ’s how it works . antibody are specialized , Y - shaped proteins that constipate like a lock - and - key to the body ’s alien invaders — whether they areviruses , bacterium , fungi or parasites . They are the " lookup " multitude of the immune system of rules ’s search - and - destroy system , tasked with finding an foe and marking it for end ....