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