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