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