a nerve

all of the above

brains

spinal cord

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

100 years

1 month

1 year

10 years

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

glial cells

prison cells

stem cells

muscle cells

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

wire

muscle

nerve

the brain

proteins

hormonal

electrical impulses

telegraph

stem cells

muscle cells

liver cells

skin cells