muscle

wire

nerve

the brain

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

a nerve

all of the above

spinal cord

brains

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

stem cells

prison cells

muscle cells

glial cells

skin cells

muscle cells

stem cells

liver cells

100 years

1 year

10 years

1 month

hormonal

telegraph

proteins

electrical impulses