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