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