Essential Oxygen Facts
Origins of Oxygen
Origins, history, present sources
together with the importance of oxygen to you and me.
and Staying Alive
What does oxygen
really mean to me?
Basically, in order to keep living and staying alive
YOU, and I,
need four fundamental things.
Water, Protein, Energy, and
Carbohydrates. These 4 things are composed of:
OXYGEN + Hydrogen
OXYGEN + Carbon + Nitrogen + Hydrogen
OXYGEN + Carbohydrates
Carbohydrates = OXYGEN +
Hydrogen + Carbon
All of the living cells in our
bodies require oxygen in order to function, and it is clear that oxygen is
involved in all of our metabolic processes. Indeed it has been estimated
that oxygen is responsible for approximately 80% of all our metabolic energy
In order to operate at a normal
level, as adults, you and I need to maintain an oxygen level of 95%-100% of
saturation in our blood. I must declare here that I have a vested and
personal interest in the matter as I have been fitted with a heart
pacemaker. I also have an Oxygen level, and pulse meter which I periodically
clip onto my finger to monitor my blood system. If the blood oxygen
saturation is too low then it will cause such things as:
Specifically these effects alone affect my quality of life and yours.
Generally they contribute to an overstretched health and hospital system.
need our brains functioning at their best to survive in this world
need our full health defenses to fight off the increasing number of ailments
THE HUMAN BODY CANNOT
We must get all the
oxygen only from the air we breathe. It should be plentiful & unpolluted.
IS IT ??????? AND FOR HOW LONG WILL IT STAY THAT
A reasonably fit person might be
able to exist without:
NEED MY OXYGEN
NEED YOUR OXYGEN
Where do I get my oxygen from?
We that, is you and I, get all our oxygen from the
air we breathe.
Oxygen -What We MUST Know About It
O2 is by mass, the third most abundant element in our universe.
It readily forms compounds with almost all other elements. Initially there
was no free oxygen in our atmosphere. Oxygen was, and is, locked into the
crust where it makes up
49% of its mass
oceans where it makes up
86% of its mass
crust it readily bonds with iron. In Western
Australia a man flying his aircraft around noticed the redness of huge areas
of the country. He was right it was iron ore. The man was arch-conservative
Lang Hancock. His daughter Gina is currently the richest woman in the world.
It does pay to keep your
eyes open and see what others are not seeing doesn’t it?
water at 250 C at 1 atmosphere of
pressure 1 litre of:
Fresh water can absorb
about 8.63mg of O2
Sea water can absorb about
Oxygen It is because of this propensity to
bond that free oxygen only occurs in our atmosphere as the result of
photosynthesis, by living organisms. The majority of free O2 is
not actually produced by the trees and other land vegetation, as is
generally thought. Land vegetation only contributes about 10% of the free O2,
the majority, that is close to 90%, is now known to be produced in the sea,
by phytoplankton, notably by the tiny but very beautiful diatoms. The
production of free oxygen first started about 2.5 - 3 billion years ago with
stromatolites formed from blue-green algae.
In its form as O3 it is called
ozone, which at high altitudes protects us from deadly ultraviolet
radiation. However ozone at low altitudes is a pollutant which attacks the
nasal and lung linings. It is often generated by electrical sparking in
machines though much is the result of petrol driven machines and vehicles.
Composition The atmosphere is not of exactly
the same composition everywhere, similarly to the oceans there are eddies,
currents, zones, and pockets, which may differ from one to the other in
Generally speaking, the
composition of air at sea level is:
0.034% Carbon dioxide
Our atmosphere is higher at
the equator (13-16km) than at the poles (7-8km)
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