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