spinal cord

all of the above

brains

a nerve

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

liver cells

stem cells

skin cells

muscle cells

muscle

the brain

wire

nerve

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

telegraph

hormonal

electrical impulses

proteins

1 year

100 years

10 years

1 month

glial cells

muscle cells

prison cells

stem cells

1 meter per second

100 miles per hour

150 meters per second

1 foot per second