Nervous System

muscle

nerve

the brain

wire

1 month

10 years

1 year

100 years

brains

spinal cord

all of the above

a nerve

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

hormonal

electrical impulses

proteins

telegraph

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

stem cells

muscle cells

prison cells

glial cells

liver cells

skin cells

stem cells

muscle cells

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body