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