muscle cells

liver cells

skin cells

stem cells

all of the above

spinal cord

brains

a nerve

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

electrical impulses

telegraph

hormonal

proteins

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

nerve

muscle

wire

the brain

stem cells

prison cells

muscle cells

glial cells

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

100 years

10 years

1 year

1 month