they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

prison cells

muscle cells

glial cells

stem cells

all of the above

spinal cord

a nerve

brains

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

1 month

10 years

100 years

1 year

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

liver cells

muscle cells

skin cells

stem cells

electrical impulses

hormonal

telegraph

proteins

wire

muscle

the brain

nerve