The Paranasal Sinuses. The paranasal sinuses are air-filled extensions of the respiratory part of the nasal cavity. There are four paired sinuses, named according to the bone in which they are located; maxillary, frontal, sphenoid and ethmoid. The function of the sinuses is not clear.
Kanpur. Kanpur is located 80 km away from Lucknow, the capital of Uttar Pradesh state in India. The rivers Ganges and Yamuna flow in north-east and south side of the city respectively.Kanpur is 1050 sq km in area and 125 m above sea level.anpur. Kanpur is located 80 km away from Lucknow, the capital of Uttar Pradesh state in India. The rivers Ganges and Yamuna flow in north-east and south side of the city respectively. Kanpur is 1050 sq km in area and 125 m above sea level.
Jabalpur is located at 23Â°10â²N 79Â°57â²E / 23.17Â°N 79.95Â°E. The central point of India is located in Jabalpur district, it has an average elevation of 411 metres (1348 ft) Demographics . According to the 2011 census Jabalpur District has a population of 2,460,714, roughly equal to the nation of Kuwait or the US state of Nevada.