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