shivering. involuntary shaking of the body, as with cold. It is caused by contraction or twitching of the muscles, and is a physiologic method of heat production in humans and other mammals. As a form of aerobic skeletal muscle activity, vigorous shivering uses about as much energy as riding a bicycle or shoveling snow.
Pittosporum ( / p Éª Ë t É s p Éµ r Ém / or / Ë p Éª t Éµ Ë s p ÉÉr Ém /) [1] is a genus of about 200 species of flowering plants in the family Pittosporaceae. The genus is probably Gondwanan in origin; its present range extends from Australasia, Oceania, eastern Asia and some parts of Africa.
Sputum ['spju.tÉm] is mucus that is coughed up from the lower airways. This process is known as sputilization. In medicine, sputum samples are usually used for microbiological investigations of respiratory infections and cytological investigations of respiratory systems.putum ['spju.tÉm] is mucus that is coughed up from the lower airways. This process is known as sputilization. In medicine, sputum samples are usually used for microbiological investigations of respiratory infections and cytological investigations of respiratory systems.