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