stem cells
liver cells
muscle cells
skin cells
1 foot per second
1 meter per second
150 meters per second
100 miles per hour
a nerve
brains
spinal cord
all of the above
the brain
muscle
nerve
wire
100 years
10 years
1 month
1 year
they do not have a nucleus
they regenerate very quickly
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
hormonal
telegraph
electrical impulses
proteins
True or False: Damage to your nervous system can cause paralysis.
prison cells
glial cells