Nervous System

muscle

wire

nerve

the brain

electrical impulses

proteins

hormonal

telegraph

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

spinal cord

brains

a nerve

all of the above

they do not have a nucleus

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

1 year

1 month

100 years

10 years

stem cells

skin cells

muscle cells

liver cells

muscle cells

stem cells

glial cells

prison cells