brains

a nerve

all of the above

spinal cord

10 years

1 year

100 years

1 month

hormonal

electrical impulses

telegraph

proteins

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

nerve

muscle

the brain

wire

glial cells

muscle cells

prison cells

stem cells

skin cells

stem cells

liver cells

muscle cells

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

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons