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