Describe the function of one barrier (innate immune system). Describe the function of one internal component of the innate immune response.

Describe the function of one component of the adaptive immune response.

"The innate immune system works to fight off pathogens before they can start an active infection. For some cases, the innate immune response is not enough, or the pathogen is able to exploit the innate immune response for a way into the host cells."

Explanation:

[content deleted] - user123802726recklesschicken

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.