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