Secondly, applied research, which is the application of basic research to understanding how behaviour can be changed in everyday setting. When applied research is conducted using samples that are representative of the population to demonstrate effective behaviour change it is particularly relevant to policy makers.
Making the world better, one answer at a time. During skeletal muscle contraction calcium ions expose myosin binding sites on to the actin. When a nerve sends a signal to a muscle to do some action the release of acetylcholine at the neuromuscular junction triggers calcium to be released into the cytoplasm. At rest, the cell has a low concentration of calcium.
They affect the transport of water through cell membranes by osmosis. They are also part of the hydrogencarbonate buffer system. Potassium ions, K+, are the main cations in intracellular fluids. They contribute to the transmission of nerve impulses and muscle contraction. Magnesium ions, Mg2+, are important because of their role in the normal functioning of muscle and nerve tissue, bone formation and as a component of many coenzymes. A normal diet provides sufficient quantities of calcium, sodium, potassium and magnesium ions.