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

they regenerate very quickly

100 years

1 month

10 years

1 year

a nerve

all of the above

spinal cord

brains

skin cells

liver cells

muscle cells

stem cells

wire

muscle

nerve

the brain

hormonal

proteins

electrical impulses

telegraph

glial cells

prison cells

muscle cells

stem cells

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

1 meter per second

100 miles per hour

1 foot per second

150 meters per second