Nervous System

proteins

hormonal

electrical impulses

telegraph

100 years

1 month

10 years

1 year

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

the brain

muscle

nerve

wire

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

stem cells

skin cells

liver cells

muscle cells

spinal cord

brains

all of the above

a nerve

glial cells

prison cells

stem cells

muscle cells

1 foot per second

1 meter per second

100 miles per hour

150 meters per second