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In respiratory physiology, the oxygen cascade describes the flow of oxygen from air to mitochondria, where it is consumed in aerobic respiration to release energy. [1] Oxygen flows from areas with high partial pressure of oxygen (PO 2 , also known as oxygen tension ) to areas of lower PO 2 .
The oxygen cascade is one system with clear limits, and can help determine the V o2max by components such as oxygen supply to the skeletal muscle mitochondria and the demand of oxygen by these skeletal muscle mitochondria. [7] If oxygen is not transferred via skeletal muscle mitochondria, it can then be transferred across muscle capillaries. [4]
A cascade filling system is a high-pressure gas cylinder storage system that is used for the refilling of smaller compressed gas cylinders. [ 1 ] [ 2 ] In some applications, each of the large cylinders is filled by a compressor , otherwise they may be filled remotely and replaced when the pressure is too low for effective transfer.
Birds proceed through the four steps of the oxygen cascade: 1. Convection of oxygen to lungs via ventilation 2. The diffusion of oxygen from the lungs into the blood stream 3. Oxygen-rich blood is transported to the peripheral tissues by convection 4. Oxygen diffuses into the mitochondria. [9] Fick's laws of diffusion can be applied to oxygen ...
Oxygen is a chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and a potent oxidizing agent that readily forms oxides with most elements as well as with other compounds.
The oxygen cycle demonstrates how free oxygen is made available in each of these regions, as well as how it is used. The oxygen cycle is the biogeochemical cycle of oxygen atoms between different oxidation states in ions, oxides, and molecules through redox reactions within and between the spheres/reservoirs of the planet Earth. [1]
The ischemic (ischaemic) cascade is a series of biochemical reactions that are initiated in the brain and other aerobic tissues after seconds to minutes of ischemia (inadequate blood supply). [1] This is typically secondary to stroke , injury, or cardiac arrest due to heart attack .
Cascade – A bank when used in cascade. Quad or bundle, also occasionally gas pack or gas battery – A bank of high pressure gas storage cylinders, typically mounted upright on a rectangular frame for transport, and manifolded together. [9] A pallet is a similar appearing group of cylinders on a lifting frame with no functional connections.