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