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