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