The human body is mostly made up of water (H2O), and there is one oxygen atom in each molecule of water. Note that, although each water molecule also contains two hydrogen atoms, the atomic mass of hydrogen (about 1) is much smaller than the atomic mass of oxygen (about 16). Because of this, hydrogen contributes less to human body mass than oxygen.
Homeostasis is the maintaining of a stable and healthy environment in any organism. Any disease is fundamentally a disruption of this stability, causing some kind of disorder in the organism's inner functions.
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Sadly, the answer is no.
Explanation:
Surgery removes cancer that is contained in one area. Surgery removes some, but not all, of a cancer tumor.
Cells use oxygen to produce energy through a process called cellular respiration.
