why we need oxygen??
Answers
Answer: Here is the answer.
Explanation:
It helps in the digestion of food
Strengthens our immune system
Removes harmful bacteria, viruses, and parasites from the body
It is required for the manufacture of hormones and proteins
Transports other gases across the cell membranes
Metabolizes fats and carbohydrates
Keeps the heart pumping for proper blood circulation
Neutralizes acids such as lactate acid that builds up in the body
Boosts chemical pathways in the body
Fuels the body muscles
Explanation:
We all know that we cannot live without oxygen and that it enables life for almost all living organisms on our planet. But do we really understand why is so important to us and which body functions it supports?
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Let’s begin at the beginning. We are breathing oxygen from the air, which contains approximately 78 percent nitrogen and 21 percent oxygen. In average, human inhales and exhales around 16-times a minute in order to get enough oxygen to stay alive. Incredibly, the most prevalent element in our body is oxygen – oxygen makes up 65 percent of human body and is responsible for 90 percent of the body’s energy.
People can live about a month without food, a week without water and just few minutes without oxygen.
When we inhale oxygen enters body through our mouth and nose and then travels all the way to the lungs. When it gets to the smallest parts of the lungs (alveoli), those inflate like a balloon. Here oxygen enters capillary network and is bind to hemoglobin – the protein molecule in red blood cells that carries oxygen from the lungs to all body’s cells and then as a transport for waste gas, carbon dioxide, back to the lungs.