In 100 words or more each with references and in text citations answer the two questions.
1. An innate defense is a "built-in" defense, if you will - one that acts against any type of invading agent.
The text lists six examples of innate defenses: Physical barriers, Chemical barriers, Cellular defenses, Inflammation, Fever, and Molecular defenses, Choose one that interests you and tell us a bit about it.
2. When we say that we are immune to a specific infectious agent, what are we talking about? How many different types of immunity are there? Tell us a bit about each and how it works.