liver cells

skin cells

stem cells

muscle cells

proteins

telegraph

electrical impulses

hormonal

wire

nerve

muscle

the brain

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

1 month

10 years

100 years

1 year

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

spinal cord

brains

all of the above

a nerve

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

muscle cells

prison cells

stem cells

glial cells