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