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