all of the above

a nerve

brains

spinal cord

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

liver cells

stem cells

muscle cells

skin cells

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

hormonal

electrical impulses

telegraph

proteins

1 month

100 years

1 year

10 years

stem cells

prison cells

muscle cells

glial cells

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

wire

nerve

muscle

the brain