Heart although this description is disputed, as the heart is likely to be slightly larger. Well-trained athletes can have much larger hearts due to the effects of exercise on the heart muscle, similar to the response of skeletal muscle. The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers. The atria open into the ventricles via the atrioventricular valves, present in the atrioventricular septum. This distinction is visible also on the surface of the heart as the coronary sulcus. There is an ear-shaped structure in the upper right atrium called the right atrial
Map of the Human Heart $539,000 at the box office in Australia. "Map of the Human Heart" was screened out of competition at the 1992 Cannes Film Festival. The film was nominated for the 1993 Australian Film Institute Awards where the film won as Best Film, and Vincent Ward as Best Director and Robert Joamie won in the category of Young Actor. "Map of the Human Heart" was also nominated for Best Original Music Score, Best Achievement in Sound, Editing and Cinematography categories. The film was also a winner in the 1993 Tokyo International Film Festival where Vincent Ward won the Best Artistic Contribution Award,