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Why Your Body Needs Oxygen?

Medical Studies Around Oxygen

To “Air” is Human: Why Your Body Needs Oxygen

Oxygen is all around us in the air that we breathe, and that is a good thing because
we could not live without it. Oxygen is so important that it will lead to death if we
are deprived of it for only a short time. Why do we need oxygen and how do our
bodies acquire it? Let’s take a look.
Oxygen fuels our cells and helps provide the basic building blocks that our bodies
need to survive. Our cells combine oxygen with nitrogen and hydrogen to produce
various proteins that build new cells. When oxygen is combined with carbon and
hydrogen, you get carbohydrates that provide energy to our bodies that is necessary
for us to do what we live. Oxygen is also necessary for constructing replacement cells
for our bodies. Every day, about seven hundred billion cells in our bodies wear out
and must be replaced. Without oxygen, our bodies cannot build these new cells.
Oxygen is also a particularly important part of our immune system. It is used to help
kill bacteria, and it fuels the cells that make up our body’s defenses against viruses
and other invaders. Air that has passed through (UV air sanitizers) is particularly
good for our body’s immune system, as it has been cleansed of bacteria and other
agents before it enters our respiratory systems. This makes it easier for the body to
access the oxygen and keeps it from receiving a fresh influx of germs and particulate
matter that comes in the body through contaminated air that has not been sanitized.
Finally, it is important to note that the human eye is in particular need of oxygen to
function well. However, the eye receives oxygen in a manner that is unique from the
rest of the body. Few blood vessels travel to the eye, so our eyes absorb much of the
oxygen they need directly through the cornea. The cornea is built in such a way to
diffuse oxygen directly into the body from the air. If the air has traveled through (air
purifiers) first, it can enter the eye without causing irritation.

1/28/22, 10:23 AM To “Air” is Human: Why Your Body Needs Oxygen

https://www.vitalitymedical.com/guides/respiratory-therapy/to-air-is-human-why-your-body-needs-oxygen 2/5
It is through the human body’s respiratory system that the cells of the human body
receive the oxygen that they need to properly function. The entry “gates” of the
respiratory system are the mouth and nose. This is where air comes into the human
body, and this air is then directed toward and down the trachea into the lungs. The
diaphragm is a muscle located across the bottom of the chest that makes the body
draw in air through the nose and mouth and then exhale air through the same
orifices.
As air enters the nose and mouth, it is cleansed from impurities such as dust. Tiny
hairs in the nose known as cilia act almost like a brush to catch dust particles and
other such things before the air can get into the lungs. Anything that gets past the
cilia is trapped in the mucus that lines the trachea and the bronchial tubes that take
air from the trachea into the lungs. The human body is well-equipped to trap these
particles, but the body works best when air is relatively pure before it is inhaled.
That is why many people use (air purifiers) at work and home. These purifiers
remove particulate matter such as dust and smoke from the air, making it easier for
the respiratory system to do its job. (Room ionizers) work in a similar fashion to
remove this matter from the air. Essentially, they attract the stuff we do should not
inhale, pulling it out of the air and attaching it to a filter that can later be cleaned.
Once air enters the lungs through the trachea and bronchial tubes, it is directed to
tiny sacs called alveoli. There are more than six hundred million alveoli in an adult’s
lung, and in these alveoli, oxygen passes from the air into the bloodstream. Tiny
capillaries surround each sac, and the air passes over a membrane between the
capillaries and the sac. In the process of respiration, carbon dioxide passes from the
bloodstream into the alveoli, and it is eventually directed out of the human body
through the bronchial tubes to the trachea to the nose and mouth where this air is
exhaled. The human circulatory system then takes the oxygen throughout the body
and brings carbon dioxide back to the lungs. The entire process is repeated with
every breath that human beings take.
Air purification tools such as (room ionizers) help clean the air we breathe before it
enters our bodies. But whether or not this air is scrubbed clean by ionizers or (UV
air sanitizers), we still need the oxygen from the air to survive. It performs many
vital functions in our bodies, so it is important that we get a lot of fresh air every day.

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