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