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