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

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

proteins

hormonal

electrical impulses

telegraph

muscle

the brain

nerve

wire

skin cells

stem cells

liver cells

muscle cells

100 years

1 month

1 year

10 years

a nerve

spinal cord

brains

all of the above

muscle cells

prison cells

glial cells

stem cells