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