liver cells
stem cells
skin cells
muscle cells
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
1 month
10 years
100 years
1 year
pyramidal neurons
Purkinje neurons
bipolar neurons
multipolar neurons
they help carry oxygen to different parts of your body
they are very long compared to other cells in the body
they regenerate very quickly
they do not have a nucleus
spinal cord
all of the above
brains
a nerve
nerve
wire
muscle
the brain
telegraph
hormonal
electrical impulses
proteins