they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

telegraph

hormonal

electrical impulses

proteins

1 meter per second

100 miles per hour

1 foot per second

150 meters per second

nerve

the brain

wire

muscle

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

all of the above

brains

a nerve

spinal cord

prison cells

muscle cells

stem cells

glial cells

10 years

1 month

1 year

100 years

skin cells

stem cells

muscle cells

liver cells