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