1 month

1 year

100 years

10 years

a nerve

all of the above

brains

spinal cord

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

the brain

wire

muscle

nerve

stem cells

prison cells

glial cells

muscle cells

hormonal

proteins

telegraph

electrical impulses

liver cells

skin cells

stem cells

muscle cells

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body