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