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