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