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