Nervous System

10 years

1 month

1 year

100 years

proteins

hormonal

electrical impulses

telegraph

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

muscle

nerve

the brain

wire

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

muscle cells

liver cells

skin cells

stem cells

all of the above

a nerve

spinal cord

brains

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

glial cells

stem cells

muscle cells

prison cells