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