they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

muscle

wire

nerve

the brain

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

telegraph

hormonal

proteins

electrical impulses

prison cells

stem cells

muscle cells

glial cells

100 years

10 years

1 year

1 month

liver cells

skin cells

stem cells

muscle cells

brains

a nerve

spinal cord

all of the above

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons