the brain

wire

muscle

nerve

skin cells

liver cells

muscle cells

stem cells

glial cells

stem cells

prison cells

muscle cells

proteins

telegraph

hormonal

electrical impulses

100 years

1 month

1 year

10 years

150 meters per second

1 foot per second

1 meter per second

100 miles per hour

a nerve

brains

all of the above

spinal cord

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body