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