Nervous System

100 years

1 month

10 years

1 year

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

electrical impulses

telegraph

proteins

hormonal

muscle cells

stem cells

liver cells

skin cells

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

prison cells

stem cells

glial cells

muscle cells

a nerve

spinal cord

brains

all of the above

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

muscle

nerve

the brain

wire