1 month

10 years

1 year

100 years

muscle

wire

nerve

the brain

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

stem cells

glial cells

prison cells

muscle cells

spinal cord

brains

a nerve

all of the above

proteins

electrical impulses

hormonal

telegraph

muscle cells

stem cells

skin cells

liver cells

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body