a nerve

brains

spinal cord

all of the above

muscle cells

glial cells

prison cells

stem cells

the brain

wire

nerve

muscle

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

100 years

1 year

1 month

10 years

muscle cells

skin cells

liver cells

stem cells

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

hormonal

electrical impulses

telegraph

proteins

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body