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