The bacteria which decompose the plants respire - they take in oxygen from the water, and release CO2. Also, the plants die, so no longer photosynthesise, so no longer convert CO2 into 0". Therefore, rotting water plants cause a decrease in the oxygen level of the water.
Temperature being a limiting factor for biochemical reaction also regulate the rate of photosynthesis in plants. Thus lower and higher temperature, beyond the optimum limit, reduce the rate of photosynthesis and hence production of oxygen is also affected.
The buildup of waste products in muscle cells that are active can cause fatigue, soreness, and a decrease in performance. This accumulation can lead to a decrease in muscle function and athletic ability due to a decrease in oxygen and nutrient supply and an increase in waste product concentration.
When a log begins to rot, fungi and bacteria start breaking down the cellulose and lignin in the wood. This process releases nutrients into the soil that can be used by other plants for growth. Insects and other decomposers also play a role in breaking down the log, further releasing nutrients and contributing to the ecosystem's nutrient cycling.
Hypoxia is a condition where there is a decrease in oxygen levels in the body, while anoxia is a complete lack of oxygen. Hypoxia can lead to oxygen deprivation in tissues and organs, while anoxia can cause severe damage or death to cells due to the absence of oxygen.
Plants themselves do not cause suffocation in humans. However, if a person becomes trapped in a dense thicket or tangled vegetation, there is a risk of suffocation due to lack of air flow. It is important to avoid such situations and stay cautious while navigating through dense vegetation.
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When plants rot, they are decomposed by bacteria and fungi, which use up oxygen in the process. This causes a decrease in oxygen levels because the microorganisms compete with other organisms, like aquatic organisms, for the limited oxygen available in the environment.
During the night, plants undergo respiration which consumes oxygen and releases carbon dioxide. This process, combined with a general decrease in photosynthesis, leads to a decrease in oxygen levels in the atmosphere. Additionally, human activities such as burning fossil fuels and deforestation also contribute to lowering oxygen levels in the air.
Excessive plant debris
Decrease in alveolar surface area results in less boundary across which oxygen can be absorbed into the blood.
This production of oxygen is the result of photosynthesis.
Energy production can impact oxygen levels in the air through processes like deforestation, combustion of fossil fuels, and industrial activities. Burning fossil fuels releases carbon dioxide into the atmosphere, which can contribute to deforestation and decrease oxygen production by plants. This can lead to a decrease in oxygen levels relative to other gases in the atmosphere.
Dissolved oxygen levels can decrease due to factors such as high water temperature, increased organic matter or pollution, excessive plant growth leading to oxygen depletion during decomposition, and reduced mixing of water layers.
Pneumonia fills the lung's alveoli with fluid, keeping oxygen from reaching the bloodstream.
scientists estimate that one fifth of the world's oxygen is given off by the trees in the rain forest. Destruction of the rain forest will decrease the amount of oxygen in the air throughout the world. Since oxygen is needed to form moisture, a decrease in oxygen will cause the world's climate to become drier.
When you enter a fit of rage your blood pressure will rise and the blood vessels throughout your body will constrict. This will cause a decrease in the amount of oxygen distributed throughout your body. This lack of oxygen will actually cause you to blackout.
Although it is a hypothetical situation. If all the green plants will disappear from earth then it will cause a decrease in the concentration of the oxygen to such a low level that it would not be sufficient for all the living organisms for breathing. Thus, it will result in their death.