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