Nervous System

brains

spinal cord

all of the above

a nerve

100 years

1 year

10 years

1 month

stem cells

skin cells

muscle cells

liver cells

telegraph

electrical impulses

hormonal

proteins

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

nerve

the brain

wire

muscle

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

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

glial cells

stem cells

muscle cells

prison cells