Question

Which of the following are the natural barriers that help keep infection out?

Question 2 options:


a)


Tears and skin


b)


masks


c)


mucous membranes and skin


d)


Both A and C

How do pathogens spread?
Question 3 options:


a)


Indirect contact


b)


Direct contact


c)


Animal or insect


d)


contaminated food or water


e)


All of the above

Answer 1

The answer to the first question is mucous membranes and skin

The answer to the second question is All of the above

Hope this helps! Good luck ;)