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