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