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When the last oxygen leaves
Atom necklace | silver (flat)
The Petri dish design is currently available as silver leverback earrings only
where two rings are simply linked
alveolus necklace | silver pp_cardio When the last oxygen leavesAlveolus necklace sterling silver Roughly 480 million alveoli per pair of human lungs, with a combined surface area of about 70 square metres (close to the size of a tennis court) and a capillary blood barrier 0. 5 micrometres thick. Every breath crosses this membrane twice. The smallest unit of respiration, in 23 mm of silver. The Anatomy of the Alveolus The alveolus is the terminal sac of the respiratory tree, sitting downstream of the bronchioles
