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