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the oxygen releases carbon dioxide
yes
In terms of oxygen saturations, arterial blood should be around 97-100% and venous return should be at approximately 75%. These figures are only appropriate for altitudes close to sea level.
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Smoking can weaken the lungs and reduce breathing capacity. Also smoking can reduce oxygen level of blood thus blood can not carry enough oxygen to the necessary organ.
oxygen
It is produced in beta cells in pancreas.It reduce the blood sugar level
Hypoxia is a deficiency of oxygen at the tissue level.
Oxygen saturation or dissolved oxygen (DO) is a relative measure of the amount of oxygen that is dissolved or carried in a given medium. It can be measured with a dissolved oxygen probe such as an oxygen sensor or an optode in liquid media, usually water. Blood oxygen saturation level refers to the percentage of a person's red blood cells that are loaded or filled with oxygen. Oxygen is carried by the red blood cells to organs, such as the brain and the heart. If the blood oxygen level is too low, not enough oxygen is carried to the organs. Without an adequate blood oxygen level, the body cannot function normally.
the tar like substance prevents your lungs from taking in enough oxygen.
Doctor told monitor your blood oxygen level and make hourly chart till 72 hours.
Temporarily, yes. Giving blood means that you lose some of your red blood cells, which are what carries oxygen from the lungs and to the muscles. With less cells to carry oxygen, your muscles will have less to work with and you will get out breath faster. Blood cells are constantly replenished however, so you'll be back to level pretty soon.
Blood releases its oxygen into the tissues at the capillary level.
Yes it does monitor blood oxygen levels and it is located in the brain stem.
A blood level showing 63 percent oxygen is a very low reading. It indicates that the person has some type of breathing problem or interference with blood oxygenation.
A normal blood oxygen level should be 90 or above (90-99). Any level below 89 qualifies you for oxygen. 74 is low and it means your brain and body are not getting enough oxygen. You should be evaluated by a pulmonologist and you should be on oxygen.