brains

all of the above

a nerve

spinal cord

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

1 month

10 years

1 year

100 years

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

stem cells

skin cells

muscle cells

liver cells

wire

nerve

muscle

the brain

proteins

electrical impulses

telegraph

hormonal

muscle cells

stem cells

glial cells

prison cells