Nervous System

electrical impulses

telegraph

hormonal

proteins

muscle

wire

the brain

nerve

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

stem cells

muscle cells

glial cells

prison cells

stem cells

liver cells

skin cells

muscle cells

1 year

10 years

1 month

100 years

they regenerate very quickly

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

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

brains

all of the above

a nerve

spinal cord