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