spinal cord
a nerve
all of the above
brains
150 meters per second
1 meter per second
100 miles per hour
1 foot per second
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
1 year
100 years
10 years
1 month
bipolar neurons
pyramidal neurons
Purkinje neurons
multipolar neurons
stem cells
muscle cells
glial cells
prison cells
wire
muscle
the brain
nerve
liver cells
skin cells
proteins
electrical impulses
hormonal
telegraph
True or False: Damage to your nervous system can cause paralysis.