all of the above

brains

spinal cord

a nerve

100 years

10 years

1 month

1 year

proteins

telegraph

hormonal

electrical impulses

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

nerve

wire

the brain

muscle

skin cells

muscle cells

stem cells

liver cells

glial cells

muscle cells

prison cells

stem cells