The works of the Cardio Thorastic cavity

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Across
  1. 2. cavity The heart is located in between the lungs in the__________, and posterior to the sternum.
  2. 4. What kind of blood does the left atrium receive from the lungs via the four pulmonary veins?
  3. 5. The upper two chambers of the heart.
  4. 6. Refers to blood vessels.
  5. 9. The inner, thin layer, next to the blood.
  6. 10. System Contains the spleen, lymphatic, tissues, and vessels
  7. 12. A double membrane sac that covers the heart.
  8. 13. Cardium The middle thickest layer of the heart, it also contains the heart muscle.
  9. 15. The lower two chambers of the heart.
Down
  1. 1. Layer The inner layer that covers the heart.
  2. 3. Septum What the two upper chambers are separated by?
  3. 7. Septum What the two lower chambers are separated by?
  4. 8. A thin outer layer of the visceral layer of the pericardium.
  5. 10. Refers to the heart.
  6. 11. What kind of blood does the right atrium receive from all parts of the body?
  7. 14. The right ventricle chamber receives blood from the right atrium and pumps blood to the _______ via the pulmonary artery?