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