The heart

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Across
  1. 4. vein responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
  2. 7. muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
  3. 9. blood carrying more of carbon dioxide to be expelled from body
  4. 10. Ventricle The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery.
Down
  1. 1. valve the semilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps.
  2. 2. when the visceral layer of serous pericardium comes into contact with heart it is known as the
  3. 3. blood carrying more of oxygen to deliver to body tissues while
  4. 5. Atrium is one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a holding chamber for blood returning from the lungs and to act as a pump to transport blood to other areas of the heart
  5. 6. the main artery that carries blood away from your heart to the rest of your body.
  6. 8. valve a valve in the human heart between the left ventricle and the aorta. It is one of the two semilunar valves of the heart, the other being the pulmonary valve