A lobe is a protrusion (a volume or area that sticks out) an upper lobe is a protusion that is at the top.
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In anatomy, the upper lobe refers to the top portion of a specific organ or structure, such as the lungs or the liver. For example, the lungs are divided into three lobes on the right side and two lobes on the left side, with the upper lobe being the highest portion. Each lobe has its own functions and characteristics.
The upper layer is different from the bottom layer because the bottom layer has more gualities to a living thing than the upper layer.
The universe is believed to have no defined upper limit in terms of its size or scope. It is constantly expanding, and the extent of its boundaries is unknown to us.
CO2 in the atmosphere exists throughout different layers, but it is mainly transported to the upper atmosphere through atmospheric circulation and mixing processes. Some CO2 molecules can also be carried to the upper atmosphere by volcanic eruptions or in the form of methane, which can be oxidized into CO2 at higher altitudes.
The upper lens in a microscope is called the eyepiece or ocular lens. It is the lens through which the viewer looks to observe the magnified specimen on the microscope slide.
Standing in the upper deck of double decker buses is prohibited for safety reasons. The design of the upper deck may not have the same safety features as the lower deck, making it dangerous for passengers to stand while the bus is in motion. In case of sudden stops or turns, passengers standing on the upper deck are at a higher risk of falling or getting injured.