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