a nerve

all of the above

spinal cord

brains

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

wire

muscle

the brain

nerve

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

proteins

electrical impulses

telegraph

hormonal

1 month

10 years

100 years

1 year

stem cells

skin cells

muscle cells

liver cells

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

muscle cells

prison cells

glial cells

stem cells