muscle

wire

nerve

the brain

hormonal

electrical impulses

telegraph

proteins

a nerve

all of the above

spinal cord

brains

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

stem cells

liver cells

muscle cells

skin cells

10 years

1 month

1 year

100 years

muscle cells

prison cells

glial cells

stem cells

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

150 meters per second

1 foot per second

1 meter per second

100 miles per hour