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