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