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