The aortic valve regulates the blood flow from the heart's lower-left chamber (the left ventricle) into the aorta. The aorta is the main vessel that supplies blood to the rest of the body. Two diseases of the aortic valve are regurgitation and stenosis.Aortic regurgitation. Aortic regurgitation is also called aortic insufficiency or aortic incompetence. It is a condition in which blood flows backward from a widened or weakened aortic valve into the heart's lower chamber (the left ventricle).he aortic valve regulates the blood flow from the heart's lower-left chamber (the left ventricle) into the aorta. The aorta is the main vessel that supplies blood to the rest of the body. Two diseases of the aortic valve are regurgitation and stenosis.
Fresno (/ËfrÉznoÊ/ FREZ-no (Spanish for ash tree) is a city in California, United States, and the county seat of Fresno County. It covers about 112 square miles (290 km2) in the center of the San Joaquin Valley, the southern portion of the California's Central Valley.
Population of Fresno County. Last official estimated population of Fresno County was 932,642 (year 2014)[1]. This was 0.292% of total US population and 2.4% of total California state population. Area of Fresno County is 6,011.1 miÂ² (=15568.7 kmÂ²), in this year population density was 155.15 p/miÂ². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Fresno County population in 2017 would be 934,289 .