muscle

wire

the brain

nerve

stem cells

muscle cells

liver cells

skin cells

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

1 month

1 year

100 years

10 years

brains

spinal cord

all of the above

a nerve

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

they regenerate very quickly

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

electrical impulses

telegraph

proteins

hormonal

stem cells

glial cells

prison cells

muscle cells