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