they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

wire

muscle

the brain

nerve

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

liver cells

stem cells

muscle cells

skin cells

a nerve

brains

all of the above

spinal cord

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

10 years

1 year

1 month

100 years

telegraph

proteins

electrical impulses

hormonal

prison cells

muscle cells

glial cells

stem cells