Question

Polio virus effect
A: Brain
B: Spinal cord
C: Vertebral column

Answer 1

B

Answer 2

Not A . ???

Answer 3

I mean Are you sure ???

Answer 4

its really is both a and b

Answer 5

it goes fro the spinal cord to the brain so its a

Answer 6

yeah thats what Im thinking looks both a and b correct .

Answer 7

i would go with a

Answer 8

hmm let see.. someales might help me .

Answer 9

someoneales*

Answer 10

Its b

Answer 11

http://en.wikipedia.org/wiki/Poliomyelitis

Answer 12

thank you . got it ^^

Answer 13

welcome