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

they regenerate very quickly

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

proteins

electrical impulses

telegraph

hormonal

a nerve

all of the above

brains

spinal cord

prison cells

glial cells

muscle cells

stem cells

muscle

wire

nerve

the brain

10 years

1 year

100 years

1 month

skin cells

stem cells

liver cells

muscle cells

1 foot per second

100 miles per hour

150 meters per second

1 meter per second