Organelle. An organelle is a specialized cellular structure in eukaryotic cells analogous to an organ in the body. Organelles are discrete structures within the cell that perform a specialized function.Most are surrounded by internal membranes and can be seen in the light or the electron microscope.n organelle is a specialized cellular structure in eukaryotic cells analogous to an organ in the body.
When the individual has a high level of carbon dioxide in the blood, the condition is known as hypercapnia. One of the most common causes of high levels of carbon dioxide in the body is hypoventilation. This means that the person is not breathing fast enough to support the functions of the body.
Key Points There is a scientiï¬c consensus that concentrations of greenhouse gases in the atmosphere are increasing and that this is causing global climate change. Human-driven emissions of carbon dioxide and other greenhouse gases, as well as land-use change, are the processes primarily responsible for the increase.