10 years
1 year
1 month
100 years
1 foot per second
100 miles per hour
1 meter per second
150 meters per second
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
they regenerate very quickly
proteins
hormonal
telegraph
electrical impulses
True or False: Damage to your nervous system can cause paralysis.
a nerve
brains
all of the above
spinal cord
muscle cells
stem cells
glial cells
prison cells
liver cells
skin cells
wire
muscle
nerve
the brain
pyramidal neurons
bipolar neurons
multipolar neurons
Purkinje neurons