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