wire

muscle

the brain

nerve

glial cells

stem cells

muscle cells

prison cells

stem cells

skin cells

liver cells

muscle cells

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

a nerve

all of the above

brains

spinal cord

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

10 years

100 years

1 month

1 year

telegraph

electrical impulses

hormonal

proteins

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly