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