they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

muscle

wire

nerve

the brain

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

proteins

electrical impulses

hormonal

telegraph

skin cells

muscle cells

stem cells

liver cells

brains

spinal cord

a nerve

all of the above

muscle cells

stem cells

glial cells

prison cells

1 month

1 year

10 years

100 years