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