they regenerate very quickly

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

a nerve

spinal cord

all of the above

brains

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

10 years

100 years

1 month

1 year

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

prison cells

stem cells

glial cells

muscle cells

proteins

electrical impulses

hormonal

telegraph

muscle

the brain

wire

nerve

muscle cells

stem cells

skin cells

liver cells