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