Heart 8 around the two ventricles and proceeding toward the apex. This complex swirling pattern allows the heart to pump blood more effectively. There are two types of cells in cardiac muscle: muscle cells which have the ability to contract easily, and pacemaker cells of the conducting system. The muscle cells make up the bulk (99%) of cells in the atria and ventricles. These contractile cells are connected by intercalated discs which allow a rapid response to impulses of action potential from the pacemaker cells. The intercalated discs allow the cells to act as a syncytium and enable the contractions that
Map of the Human Heart Map of the Human Heart Map of the Human Heart (also called Carte du Tendre and La Carte du Tendre ) is a 1993 film by New Zealand director Vincent Ward. The script for "Map of the Human Heart" was written by Australian author Louis Nowra, using a 10-page treatment Ward had written a year earlier as his guide. "Map of the Human Heart", set mostly before and during the Second World War, centres on the life of Avik, a Canadian Inuit boy. The film stars Robert Joamie and Jason Scott Lee as the youth and adult Avik. His love,