| CARDIOLOGY | Study of the heart |
| BOWEN | Author of The House in Paris, The Death of the Heart and The Heat of the Day (5) |
| MELROSE | ___ Abbey in the Scottish Borders, thought to be the burial location of the heart of Robert the Bruce (7) |
| SYSTOLE | The contraction of the chambers of the heart - especially the ventricles. (7) |
| ATRIUM | Either of the two cavities of the heart into which blood passes from the veins |
| PULSE | The regular beating in the arteries caused by the contraction of the heart |
| CONUS | -- arteriosus, the upper front part of the right ventricle of the heart (5) |
| RED | The color of the heart on the front of a Valentine's Day card |
| MYOCARDIUM | Thick middle layer of the wall of the heart, composed primarily of muscle cells and fibroblasts (10) |
| AORTA | The large trunk artery that carries blood from the left ventricle of the heart to branch arteries. |
| ARRHYTHMIA | Dirty Harry: much of the intention picked up as agitation of the heart |
| FALSEHOOD | "___ of the tongue leads to that of the heart": Jefferson |
| BONNIETYLER | Singer of the smash hit Total Eclipse of the Heart (6, 5) |
| CARDIOLOGIST | One who specialises in the study or treatment of the heart and its diseases (12) |
| LEFTATRIUM | One of the four chambers of the heart (4,6) |
| AORTIC | ____ valve, part of the heart between the left ventricle and the body's main artery (6) |
| SEPTUM | A partition separating two chambers, such as that between the nostrils or the chambers of the heart |
| CRAVENARMS | Junction at the northern end of the Heart of Wales line (6,4) |
| MYOCARDITIS | Inflammation of the muscle tissue of the heart, typically caused by viral infections (11) |
| PANT | Word for a gasp, huff or puff ; a throb of the heart; a heave of the chest; or, a Scottish public drinking fountain (4) |