wire
the brain
nerve
muscle
all of the above
a nerve
brains
spinal cord
they are very long compared to other cells in the body
they help carry oxygen to different parts of your body
they regenerate very quickly
they do not have a nucleus
multipolar neurons
bipolar neurons
pyramidal neurons
Purkinje neurons
liver cells
skin cells
muscle cells
stem cells
150 meters per second
1 meter per second
1 foot per second
100 miles per hour
glial cells
prison cells
proteins
electrical impulses
hormonal
telegraph
True or False: Damage to your nervous system can cause paralysis.
10 years
1 year
1 month
100 years