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