the brain

wire

muscle

nerve

all of the above

brains

a nerve

spinal cord

1 month

100 years

1 year

10 years

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

glial cells

muscle cells

prison cells

stem cells

electrical impulses

telegraph

proteins

hormonal

stem cells

muscle cells

skin cells

liver cells