muscle cells

stem cells

liver cells

skin cells

1 year

100 years

10 years

1 month

wire

nerve

the brain

muscle

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

a nerve

all of the above

spinal cord

brains

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

prison cells

stem cells

glial cells

muscle cells

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

proteins

telegraph

hormonal

electrical impulses