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