One set of the body's defenses are called "innate." in this context, this means

This means that they function comprehensively against all the pathogens.  

Innate immunity signifies towards the nonspecific defense mechanisms, which come into function instantaneously or within the hours of an arrival of an antigen in the body. These mechanisms involve the physical barriers like chemicals in the blood, skin, and cells of the immune system that defend against the foreign cells in the body.  

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)