they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

stem cells

liver cells

muscle cells

skin cells

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

stem cells

prison cells

muscle cells

glial cells

muscle

nerve

wire

the brain

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

spinal cord

a nerve

all of the above

brains

10 years

1 year

100 years

1 month

hormonal

proteins

telegraph

electrical impulses