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