a nerve

all of the above

brains

spinal cord

10 years

1 year

1 month

100 years

the brain

muscle

nerve

wire

stem cells

skin cells

liver cells

muscle cells

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

they regenerate very quickly

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

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

prison cells

glial cells

muscle cells

stem cells

telegraph

hormonal

proteins

electrical impulses