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