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