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