all of the above

spinal cord

a nerve

brains

liver cells

muscle cells

skin cells

stem cells

the brain

nerve

wire

muscle

hormonal

electrical impulses

proteins

telegraph

prison cells

muscle cells

stem cells

glial cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

1 month

10 years

1 year

100 years