skin cells

liver cells

stem cells

muscle cells

a nerve

spinal cord

all of the above

brains

electrical impulses

proteins

telegraph

hormonal

1 month

1 year

100 years

10 years

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

muscle cells

stem cells

glial cells

prison cells

muscle

wire

nerve

the brain

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

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