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