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