muscle cells

liver cells

skin cells

stem cells

the brain

nerve

muscle

wire

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

a nerve

brains

all of the above

spinal cord

prison cells

muscle cells

stem cells

glial cells

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

electrical impulses

proteins

telegraph

hormonal

1 year

1 month

10 years

100 years

100 miles per hour

1 foot per second

150 meters per second

1 meter per second