nerve

the brain

wire

muscle

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

electrical impulses

hormonal

telegraph

proteins

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

muscle cells

prison cells

glial cells

stem cells

1 month

1 year

100 years

10 years

muscle cells

stem cells

liver cells

skin 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

a nerve

brains

all of the above

spinal cord