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

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

nerve

muscle

the brain

wire

a nerve

brains

all of the above

spinal cord

proteins

hormonal

telegraph

electrical impulses

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

muscle cells

skin cells

stem cells

liver cells

100 years

1 month

1 year

10 years

glial cells

stem cells

muscle cells

prison cells