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