Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds
How Much Does Oxygen Cost In South Africa
R 3,577.77
Why is oxygen important to life?
Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.
Can you find oxygen in nature?
Oxygen is the most abundant of all elements found in nature. It occurs both as a gas and also as part of a large number of compounds. Oxygen gas is found mainly in the atmosphere, which contains approximately 21% oxygen by volume, along with 78% nitrogen and small amounts of other gases.
Why oxygen is a gas?
It is a very reactive non-metal and forms oxides with other elements. They have low densities and can be compressed easily. As the property of gases having no shape and volume, oxygen do not have a fixed shape or volume. … Hence for these reasons oxygen remains as gas.
Why is oxygen important to blood and to the cells?
Oxygen is important because it gives energy for our cells to work and not only the cells but also the cell organelles. By which the new systems of our brain and body gets opened our nerves which are blocked due to some reasons gets opened which helps faster blood circulation.
What happens to most of the oxygen that enters the bloodstream?
Once in the bloodstream, oxygen gets picked up by the hemoglobin in red blood cells. This oxygen-rich blood then flows back to the heart, which pumps it through the arteries to oxygen-hungry tissues throughout the body.