Nervous System

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

electrical impulses

hormonal

proteins

telegraph

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

they regenerate very quickly

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

brains

a nerve

all of the above

spinal cord

muscle cells

prison cells

glial cells

stem cells

10 years

1 month

1 year

100 years

muscle cells

stem cells

skin cells

liver cells

muscle

nerve

the brain

wire