wire

nerve

the brain

muscle

muscle cells

glial cells

prison cells

stem cells

telegraph

proteins

hormonal

electrical impulses

1 month

100 years

10 years

1 year

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

all of the above

brains

a nerve

spinal cord

muscle cells

liver cells

skin cells

stem cells