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