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