Swallowing is a complex act that involves the coordinated activity of the mouth, pharynx, larynx and esophagus (Figure 1). A swallow has four phases: oral preparatory, oral propulsive, pharyngeal and esophageal.3.
Sir Isaac Newton is the founder of the classical mechanics. His three laws of motion, gravitational laws, etc. are the most fundamental & basic laws of nature.
Newton, Sir IsaacÂ© Photos.com/ThinkstockIn London, Newton assumed the role of patriarch of English science. In 1703 he was elected President of the Royal Society. Four years earlier, the French AcadÃ©mie des Sciences (Academy of Sciences) had named him one of eight foreign associates.