elements · 8 / 118 · All 118

Oxygen

Z: 8
Mass: 15.999
Lifeforce: Water
In the body: heart, lungs, bones, muscle, dna

The breath itself: between air and water, between life and rust. 65% of your body, 21% of the atmosphere, 89% of the oceans. The most abundant element in the human body.

A still bowl on a stone catches rain, overflows and waters young sprouts. — Plate · Water Water grasps at nothing. It *receives*, until the bowl overflows and feeds.

The third most abundant element in the universe. Born in massive stars; released in supernovae. Every breath you take is borrowed from stardust.

Lab note · Powers every cell. Your mitochondria burn it to release the energy stored in food. Without it, brain death in four minutes.

Tool · Cosmic origin

Where your atoms come from

O · Star fusion

Forged in the cores of living stars over billions of years of stellar fusion.

14 of the 118 elements share this origin.

Choose a stage: click, or arrow keys. · Cosmic nucleosynthesis · current standard model

Tool · Periodic table

Your place in the system

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Fire
Water
Air
Earth
Source

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