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