all of the above

spinal cord

brains

a nerve

the brain

muscle

nerve

wire

glial cells

prison cells

muscle cells

stem cells

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

10 years

100 years

1 month

1 year

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

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

skin cells

muscle cells

stem cells

liver cells

hormonal

electrical impulses

proteins

telegraph