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

prison cells

stem cells

glial cells

muscle cells

100 years

10 years

1 month

1 year

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

all of the above

brains

spinal cord

a nerve

nerve

the brain

muscle

wire

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

electrical impulses

hormonal

proteins

telegraph

muscle cells

liver cells

stem cells

skin cells