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