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
How Many More Years the central guitar lick in rock 'n' roll, and that's the first time we heard that played on a distorted guitar. It was an old big band lick, turned into something completely fresh. How Many More Years "How Many More Years" is a blues song written and originally recorded by Howlin' Wolf (born Chester Burnett) in July 1951. Recorded at the Memphis Recording Service – which later became the Sun Studio – it was released by Chess Records and reached no.4 on the "Billboard" R&B chart. Musician and record producer T-Bone Burnett has described "How Many More Years" as "in