brains
a nerve
spinal cord
all of the above
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
they regenerate very quickly
pyramidal neurons
Purkinje neurons
bipolar neurons
multipolar neurons
liver cells
stem cells
muscle cells
skin cells
prison cells
glial cells
telegraph
hormonal
electrical impulses
proteins
10 years
1 year
100 years
1 month
100 miles per hour
150 meters per second
1 meter per second
1 foot per second
the brain
wire
muscle
nerve
True or False: Damage to your nervous system can cause paralysis.