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