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

1 month

100 years

10 years

1 year

a nerve

brains

all of the above

spinal cord

stem cells

liver cells

skin cells

muscle cells

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

the brain

muscle

nerve

wire

prison cells

muscle cells

glial cells

stem cells

hormonal

proteins

telegraph

electrical impulses