they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

muscle

the brain

wire

nerve

stem cells

skin cells

muscle cells

liver cells

hormonal

telegraph

electrical impulses

proteins

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

spinal cord

all of the above

a nerve

brains

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

1 year

10 years

100 years

1 month

muscle cells

glial cells

prison cells

stem cells