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