Question

Select all that apply.

Which of the following are part of the body's first line of defense against pathogens?

hair
nails
skin
mucous membranes
saliva

Answer 1

Skin, mucous membranes.

Step-by-step explanation:

Without scratches or open wounds, your skin is easily a first line of dense. Mucous membranes line various parts of your body, like your nose and eyes, and ar often covered in ‘secretions” to helip fight against microorganisms and pathogens. Hope this helps!!