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