muscle

wire

nerve

the brain

1 month

100 years

10 years

1 year

stem cells

muscle cells

glial cells

prison cells

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

all of the above

a nerve

spinal cord

brains

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

skin cells

muscle cells

liver cells

stem cells

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

electrical impulses

proteins

telegraph

hormonal