Nervous System

the brain

wire

nerve

muscle

proteins

hormonal

telegraph

electrical impulses

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

100 years

10 years

1 month

1 year

skin cells

muscle cells

liver cells

stem cells

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

brains

a nerve

spinal cord

all of the above

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

glial cells

prison cells

stem cells

muscle cells