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i want the brief explanation and clariffication of respiration topic

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The term respiration has two relatively distinct meanings in biology. First, respiration is the process by which an organism takes oxygen into its body and then releases carbon dioxide from its body. In this respect, respiration can be regarded as roughly equivalent to "breathing." In some cases, this meaning of the term is extended to mean the transfer of the oxygen from the lungs to the bloodstream and, eventually, into cells. On the other hand, it may refer to the release of carbon dioxide from cells into the bloodstream and, thence, to the lungs

Aerobic respiration: Respiration that requires the presence of oxygen.

Anaerobic respiration: Respiration that does not require the presence of oxygen.

ATP (adenosine triphosphate): High-energy molecule that cells use to drive energy-requiring processes such as biosynthesis (the production of chemical compounds), growth, and movement.

Capillaries: Very thin blood vessels that join veins to arteries.

Diffusion: Random movement of molecules that leads to a net movement of molecules from a region of high concentration to a region of low concentration.

Fermentation: A chemical reaction by which carbohydrates, such as sugar, are converted into ethyl alcohol.

Gill: An organ used by some animals for breathing consisting of many specialized tissues with infoldings. It allows the animal to absorb oxygen dissolved in water and expel carbon dioxide to the water.

Glucose: also known as blood sugar, a simple sugar broken down in cells to produce energy.

Glycolysis: A series of chemical reactions that takes place in cells by which glucose is converted into pyruvate.

Hemoglobin: Blood protein that can bind with oxygen.

Lactic acid: Similar to lactate, a chemical compound formed in cells from pyruvate in the absence of oxygen.

Pyruvate: The simpler compound glucose is broken down into during the process of glycolysis.

Trachea: A tube used for breathing


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