Which of the following body systems does the immune system rely on to provide the first line of defense against pathogens.

Question

A. Integumentary system
B. Nervous system
C. circulatory system
D. endocrine system

I think it is C

Ms. Sue · Answer

I disagree. Be sure you understand the functions of each of those systems.

Damon · Answer

When in danger or in doubt, pick the one you never heard of :) http://sciencenetlinks.com/student-teacher-sheets/integumentary-system/

Sue Sylvester · Answer

Correct

you · Answer

I love ur glee reference hopefully they do a glee reboot I would totally watch that. Any body else want a glee reboot if you do I LOVE YOU.

poopoo · Answer

It's A

Thank · Answer

Thanks

sumsum13 · Answer

SOOOOOO whats the answer??? C or A???

O-O · Answer

i think its A also can anyone help me with the entire thing if u have all the answers? Please and thank you.

Kara · Answer

The answer is A. integumentary system