they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

brains

all of the above

spinal cord

a nerve

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

telegraph

hormonal

proteins

electrical impulses

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

muscle

the brain

nerve

wire

muscle cells

stem cells

glial cells

prison cells

muscle cells

liver cells

stem cells

skin cells

1 year

10 years

100 years

1 month