spinal cord

all of the above

a nerve

brains

electrical impulses

telegraph

proteins

hormonal

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

muscle cells

prison cells

glial cells

stem cells

nerve

the brain

wire

muscle

1 month

100 years

1 year

10 years

muscle cells

liver cells

skin cells

stem cells

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly