they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

telegraph

electrical impulses

hormonal

proteins

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

1 month

100 years

10 years

1 year

stem cells

skin cells

muscle cells

liver cells

brains

all of the above

spinal cord

a nerve

prison cells

muscle cells

stem cells

glial cells

muscle

the brain

wire

nerve

1 foot per second

1 meter per second

150 meters per second

100 miles per hour