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No. We cannot get oxygen from water. The oxygen that forms part of the water itself is locked away in H2O molecules and our bodies have no way of extracting it. Most water does contain dissolved oxygen, but since we do not have gills we cannot extract that either.
The respiratory system takes oxygen into the body and rids itself of carbon dioxide.
They make molecules of water
YES!!! You inhale oxygen and exhale carbon dioxide.
It gets rapidly broken down into oxygen and water by the enzyme peroxidase.
Water can be depleted of it's oxygen by a number of different ways. Short of putting the water in a vacuum and "sucking" the dissolved oxygen out, oxygen-breathing organisms such as fish take oxygen from the water through respiration, for example. It is unlikely a large body of water to become completely deoxygenated due to the presence of photosynthetic aquatic organisms (plants) and the fact that oxygen is also dissolved in the water at the water's surface.
It may or may not, it depends mostly on the level of oxygen in the water. Oxygen depleted water actually preserves wood almost completely.
Veins carry oxygen depleted blood to the heart.
The oxygen within the blood is depleted and needs to be returned to the lungs to be re-oxygenated.
Hypoxia is the term used for low, or depleted, oxygen levels. It occurs naturally at high altitudes or in the deeper regions of the sea.
respiratory system endocrine system
That is the Aorta. The main artery of the body.
oxygen
an oxygen debt
Any of the tubes forming part of the blood circulation system of the body, carrying mainly oxygen-depleted blood toward the heart.
Yes it can indirectly kill fish by consuming all the oxygen in a closed water system such as a pond. The water becomes anoxic (depleted of dissolved oxygen) and the fish and other marine life can no longer "breathe".
because the blood gets depleted of its oxygen content once it reaches the heart and it needs to be oxygenated when it goes to the different parts of the body. as you may notice, the heart is divided into four chambers. the right side deals with the unoxygenated blood while the left side deals with the oxygenated blood. since the heart has no capacity to supply oxygen depleted blood with oxygen, it has to pass first to the lungs before it is pumped to the different parts of the body.