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