all of the above

a nerve

brains

spinal cord

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

wire

the brain

muscle

nerve

skin cells

liver cells

stem cells

muscle cells

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

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

1 year

100 years

1 month

10 years

proteins

hormonal

telegraph

electrical impulses

prison cells

muscle cells

stem cells

glial cells