1 year

10 years

1 month

100 years

a nerve

all of the above

spinal cord

brains

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

muscle cells

skin cells

liver cells

stem cells

muscle cells

stem cells

glial cells

prison cells

muscle

nerve

wire

the brain

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

telegraph

electrical impulses

proteins

hormonal