10 years
1 year
100 years
1 month
stem cells
liver cells
muscle cells
skin cells
pyramidal neurons
Purkinje neurons
bipolar neurons
multipolar neurons
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
they regenerate very quickly
muscle
nerve
the brain
wire
True or False: Damage to your nervous system can cause paralysis.
glial cells
prison cells
a nerve
spinal cord
all of the above
brains
telegraph
hormonal
electrical impulses
proteins
1 meter per second
1 foot per second
100 miles per hour
150 meters per second