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