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