spinal cord

all of the above

brains

a nerve

stem cells

glial cells

prison cells

muscle cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

telegraph

proteins

hormonal

electrical impulses

wire

the brain

muscle

nerve

100 years

1 month

10 years

1 year

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

liver cells

muscle cells

skin cells

stem cells