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