skin cells

stem cells

muscle cells

liver cells

spinal cord

brains

a nerve

all of the above

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

electrical impulses

hormonal

proteins

telegraph

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

the brain

wire

nerve

muscle

glial cells

muscle cells

stem cells

prison cells

1 month

1 year

10 years

100 years

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

they do not have a nucleus