The works of the Cardio Thorastic cavity

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