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