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