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