Question

In the human body, which of the following is considered an external defense in the prevention of disease? Mucous O Histamines O Antibodies O Fever

Answer 1

Mucous

Step-by-step explanation:

Answer 2

I believe it would be Mucous

Step-by-step explanation:

Since Histamines and Antibodies are chemicals that are inside a human body they are not an external defense. Also, a fever can only happen if the disease gets inside the body, thus its not an external defense. All this leaves only one option out and that is Mucous.