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