brains

all of the above

a nerve

spinal cord

muscle

nerve

the brain

wire

100 years

1 year

10 years

1 month

stem cells

liver cells

muscle cells

skin cells

glial cells

prison cells

muscle cells

stem cells

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

they do not have a nucleus

proteins

electrical impulses

hormonal

telegraph

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons