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