How does the shape of the human chest vary and what can it

How does the width of the chest change when air inspired or exhaled? - Quora

Is a one-armed human flag possible? - Quora

Does a human have a heart on the right side of the chest? - Quora

How does the shape of the human sternum (breastbone) protect internal organs and provide structure? - Quora

Is a one-armed human flag possible? - Quora

Can human's ear evolve in shape following the earphone shape in the future? - Quora

Why is most of the chest piece in the stethoscope in a circular shape? Will it work if it is designed in some other shape? - Quora

Does a human have a heart on the right side of the chest? - Quora

Is the fact that my chest is more forward than my stomach genetic and something that is in my structure? - Quora