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