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