nerve

wire

muscle

the brain

1 year

100 years

1 month

10 years

liver cells

muscle cells

stem cells

skin cells

prison cells

glial cells

stem cells

muscle cells

electrical impulses

hormonal

proteins

telegraph

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

a nerve

all of the above

spinal cord

brains