they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

electrical impulses

hormonal

telegraph

proteins

all of the above

brains

a nerve

spinal cord

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

muscle cells

glial cells

prison cells

stem cells

skin cells

liver cells

stem cells

muscle cells

10 years

1 year

100 years

1 month

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

the brain

muscle

nerve

wire