they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

muscle

wire

nerve

the brain

stem cells

muscle cells

skin cells

liver cells

a nerve

spinal cord

brains

all of the above

proteins

electrical impulses

hormonal

telegraph

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

1 year

10 years

1 month

100 years

muscle cells

stem cells

glial cells

prison cells