they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

the brain

muscle

wire

nerve

all of the above

a nerve

spinal cord

brains

prison cells

stem cells

glial cells

muscle cells

telegraph

proteins

electrical impulses

hormonal

1 year

100 years

1 month

10 years

skin cells

stem cells

muscle cells

liver cells

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons