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