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