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
How Many Drinks? How Many Drinks? "How Many Drinks?" is a song by American recording artist Miguel, taken from his critically acclaimed second studio album, "Kaleidoscope Dream". The song was produced by Salaam Remi. A remixed single featuring Kendrick Lamar on an added third verse was released as the album's third single on March 3, 2013. It received a nomination for Best R&B Performance at the 56th Grammy Awards held in January 2014. The music video, directed by Clark Jackson, was released on April 22, 2013 on VEVO. The song debuted at 88 on the "Billboard" Hot 100 on week ending May 4,