a nerve

all of the above

brains

spinal cord

muscle cells

stem cells

prison cells

glial cells

hormonal

electrical impulses

telegraph

proteins

100 years

10 years

1 year

1 month

nerve

muscle

the brain

wire

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

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

stem cells

muscle cells

liver cells

skin cells