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