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