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