nerve

the brain

wire

muscle

stem cells

glial cells

prison cells

muscle cells

1 year

10 years

1 month

100 years

proteins

electrical impulses

hormonal

telegraph

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

spinal cord

brains

all of the above

a nerve

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

muscle cells

liver cells

skin cells

stem cells

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly