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