muscle

wire

the brain

nerve

a nerve

brains

spinal cord

all of the above

stem cells

muscle cells

liver cells

skin cells

10 years

100 years

1 month

1 year

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

stem cells

glial cells

muscle cells

prison cells

telegraph

hormonal

electrical impulses

proteins

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons