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