wire

muscle

nerve

the brain

liver cells

muscle cells

stem cells

skin cells

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

proteins

hormonal

electrical impulses

telegraph

all of the above

spinal cord

brains

a nerve

1 month

1 year

100 years

10 years

muscle cells

stem cells

glial cells

prison cells

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body