Nervous System

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

nerve

the brain

muscle

wire

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

telegraph

proteins

electrical impulses

hormonal

all of the above

a nerve

brains

spinal cord

prison cells

glial cells

muscle cells

stem cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

skin cells

liver cells

stem cells

muscle cells

1 year

100 years

10 years

1 month