alveolus necklace | silver pp_cardio The Petri dish design is

The Petri dish design is currently available as silver leverback earrings only

Atom necklace | silver (flat)

and a T3-T4 ring in silver

making it the largest white-matter tract in the human brain

alveolus necklace | silver pp_cardio The Petri dish design isAlveolus 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