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