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

they do not have a nucleus

muscle cells

stem cells

skin cells

liver cells

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

prison cells

glial cells

stem cells

muscle cells

100 years

1 month

10 years

1 year

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

a nerve

brains

all of the above

spinal cord

muscle

the brain

wire

nerve

hormonal

proteins

electrical impulses

telegraph