liver cells
skin cells
muscle cells
stem cells
150 meters per second
1 meter per second
1 foot per second
100 miles per hour
spinal cord
all of the above
a nerve
brains
glial cells
prison cells
telegraph
hormonal
electrical impulses
proteins
nerve
muscle
wire
the brain
pyramidal neurons
Purkinje neurons
bipolar neurons
multipolar neurons
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
10 years
100 years
1 month
1 year
True or False: Damage to your nervous system can cause paralysis.