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

wire

the brain

nerve

muscle

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

hormonal

electrical impulses

telegraph

proteins

brains

all of the above

spinal cord

a nerve

100 years

1 year

1 month

10 years

muscle cells

glial cells

stem cells

prison cells

muscle cells

stem cells

skin cells

liver cells

1 meter per second

1 foot per second

100 miles per hour

150 meters per second