spinal cord

all of the above

brains

a nerve

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

wire

muscle

the brain

nerve

prison cells

stem cells

muscle cells

glial cells

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

proteins

electrical impulses

hormonal

telegraph

liver cells

stem cells

skin cells

muscle cells

100 years

1 year

10 years

1 month

1 foot per second

100 miles per hour

1 meter per second

150 meters per second