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