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