Asked by Jack

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

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

I think it is C
Answered by Ms. Sue
I disagree.

Be sure you understand the functions of each of those systems.
Answered by Damon
When in danger or in doubt, pick the one you never heard of :)
http://sciencenetlinks.com/student-teacher-sheets/integumentary-system/
Answered by Sue Sylvester
Correct
Answered by you
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.
Answered by poopoo
It's A
Answered by Thank
Thanks
Answered by sumsum13
SOOOOOO whats the answer???
C or A???
Answered by O-O
i think its A
also can anyone help me with the entire thing if u have all the answers?
Please and thank you.
Answered by Kara
The answer is A. integumentary system
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