Answer:
Water (H2O) is the most abundant chemical compound in the human body. Water is made up of one Oxygen atom, and two Hydrogen atoms.
Step-by-step explanation:
The adult human body consists of 60% water, making it the most abundant chemical compound in the human body. A single water molecule is made up of two hydrogen atoms connected to a single oxygen atom, through polar covalent bonds.
According to The Journal of Biological Chemistry, the brain and heart consist of 73% water, while the lungs consist of 83% water! That's a lot of water for some of our vital organs!
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