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