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