spinal cord

a nerve

brains

all of the above

they do not have a nucleus

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

muscle cells

stem cells

glial cells

prison cells

hormonal

electrical impulses

proteins

telegraph

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

10 years

1 year

1 month

100 years

liver cells

skin cells

stem cells

muscle cells

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

nerve

the brain

wire

muscle