Nervous System

electrical impulses

proteins

hormonal

telegraph

muscle

wire

the brain

nerve

1 year

10 years

1 month

100 years

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

muscle cells

stem cells

prison cells

glial cells

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

skin cells

stem cells

liver cells

muscle cells

brains

all of the above

spinal cord

a nerve

100 miles per hour

1 meter per second

1 foot per second

150 meters per second