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