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