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In my early life, I spent an unreasonable period of time wondering why A-level chemistry was once a prerequisite for scientific college. Why was once it as crucial as biology? Why did I wish to know about electrons and entropy? The penny after all dropped when my quite good lecturers became my consideration in opposition to the periodic desk.
Each unmarried atom in our our bodies may also be discovered within the periodic desk—from chlorine to chromium, magnesium to manganese. In reality, simply six parts make up about 98.5% of our physique mass: 65% oxygen, 18% carbon, 10% hydrogen, 3% nitrogen, 1.5% calcium, and simply over 1% phosphorus. The remainder 1.5% is made up of hint parts—potassium, sulfur, iron, zinc, copper, and plenty of others—all of which play a very powerful roles in conserving us alive.
It may well be extra correct to explain ourselves as oxygen-based existence paperwork, quite than carbon-based.
The overall 1% is composed of hint parts. Despite the fact that they are found in smaller quantities, they are no much less crucial. Lots of them come from our nutrition, which is why we are instructed to steadiness our foods with enough nutrients and minerals.
However what precisely will have to we be consuming to meet those necessities—and are you able to have an excessive amount of of a excellent factor?
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Author : admin
Publish date : 2025-08-27 16:20:00
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