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