100 years

1 month

10 years

1 year

all of the above

brains

a nerve

spinal cord

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

stem cells

prison cells

glial cells

muscle cells

hormonal

electrical impulses

telegraph

proteins

skin cells

liver cells

muscle cells

stem cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

nerve

muscle

the brain

wire