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