The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves prevent the backward flow ...

Plastic surgery is common in the entertainment industry, particularly in China where many openly admitted to having gone ...

On Feb. 27, the model-turned-businesswoman announced on Snapchat that she welcomed her fourth son, Pierre, who joins big brothers Myles, Hart and Flynn. Sharing a photo of a bouquet of flowers ...