Question

Your ___ is your first line of defense against pathogens.

Brain
Heart
Large intestine
Skin

(I think it's skin, but I'm not positive. That's why I'm asking.)

Answer 1

Look whos asking ?'s now hah!

Answer 2

And yes I agree with you

Answer 3

I admit, I stumble upon a question I don't know sometimes. :P

Answer 4

You're fine lol but yeah if you look at it skin is the only one that makes sense

Answer 5

I see.

Answer 6

A pathogen is anything that causes a disease. Pathogens include: Bacterium A group of microscopic organisms that are capable of reproducing on their own, causing human disease by direct invasion of body tissues. Bacteria often produce toxins that poison the cells they have invaded. see?

Answer 7

yep, its indeed skin