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