Nervous System

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

nerve

the brain

wire

muscle

10 years

1 year

100 years

1 month

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

a nerve

spinal cord

all of the above

brains

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

hormonal

electrical impulses

proteins

telegraph

muscle cells

skin cells

stem cells

liver cells

muscle cells

prison cells

stem cells

glial cells