liver cells

muscle cells

stem cells

skin cells

brains

a nerve

spinal cord

all of the above

100 years

10 years

1 month

1 year

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

proteins

hormonal

telegraph

electrical impulses

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

they regenerate very quickly

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

wire

muscle

the brain

nerve

stem cells

muscle cells

glial cells

prison cells