they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

nerve

the brain

muscle

wire

1 year

1 month

10 years

100 years

stem cells

liver cells

skin cells

muscle cells

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

glial cells

stem cells

prison cells

muscle cells

hormonal

electrical impulses

telegraph

proteins

all of the above

a nerve

spinal cord

brains

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons