liver cells

skin cells

muscle cells

stem cells

100 years

1 month

10 years

1 year

the brain

muscle

wire

nerve

proteins

electrical impulses

hormonal

telegraph

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

spinal cord

a nerve

brains

all of the above

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

stem cells

prison cells

glial cells

muscle cells