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