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