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