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