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