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