nerve

muscle

the brain

wire

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

a nerve

all of the above

brains

spinal cord

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

10 years

1 year

100 years

1 month

muscle cells

liver cells

stem cells

skin cells

prison cells

muscle cells

stem cells

glial cells

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

electrical impulses

telegraph

hormonal

proteins