a nerve

brains

spinal cord

all of the above

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

stem cells

liver cells

skin cells

muscle cells

10 years

1 year

1 month

100 years

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

muscle

nerve

wire

the brain

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

telegraph

electrical impulses

hormonal

proteins

prison cells

stem cells

muscle cells

glial cells