Search results
Results from the WOW.Com Content Network
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The heart's cardiac skeleton comprises four dense connective tissue rings that encircle the mitral and tricuspid atrioventricular (AV) canals and extend to the origins of the pulmonary trunk and aorta. This provides crucial support and structure to the heart while also serving to electrically isolate the atria from the ventricles. [1]
The heart is a muscular organ found in most animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
The circulatory system uses the channel of blood vessels to deliver blood to all parts of the body. This is a result of the left and right sides of the heart working together to allow blood to flow continuously to the lungs and other parts of the body. Oxygen-poor blood enters the right side of the heart through two large veins.
From January 2008 to December 2012, if you bought shares in companies when Ernesto Zedillo joined the board, and sold them when he left, you would have a -7.6 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
St. Nicholas left golden coins behind for some children, slipping them into stockings that were hung up to dry. This led to the creation of the long-lasting custom of children hanging up stockings ...
The family of Tennessee death row inmate Gary Wayne Sutton held a press conference asking Gov. Bill Lee to examine the case for a potential pardon.
Several videos began popping up around 1:15 p.m. Saturday on social media of about a dozen people, one with a bullhorn, wearing all black with red facemasks and carrying black flags with red ...