they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

glial cells

muscle cells

prison cells

stem cells

hormonal

electrical impulses

proteins

telegraph

1 year

10 years

1 month

100 years

all of the above

spinal cord

brains

a nerve

nerve

wire

muscle

the brain

stem cells

skin cells

muscle cells

liver cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

1 foot per second

1 meter per second

150 meters per second

100 miles per hour