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