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