nerve

wire

the brain

muscle

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

muscle cells

prison cells

stem cells

glial cells

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

proteins

electrical impulses

telegraph

hormonal

skin cells

muscle cells

liver cells

stem cells

1 month

10 years

100 years

1 year

all of the above

a nerve

brains

spinal cord