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