Nervous System

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

nerve

the brain

muscle

wire

muscle cells

stem cells

glial cells

prison cells

1 year

100 years

10 years

1 month

electrical impulses

telegraph

hormonal

proteins

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

skin cells

stem cells

liver cells

muscle cells

all of the above

a nerve

spinal cord

brains

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons