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