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