The Circulatory System

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Across
  1. 2. Blood Cells Which blood component is responsible for carrying oxygen and carbon dioxide
  2. 5. Your ______ controls your heart rate
  3. 6. ______ of the heart aid in moving blood around the body
  4. 7. One of the roles of the circulatory system
  5. 8. The liquid part of blood
  6. 10. _______ blood enters the left atrium through the pulmonary veins
  7. 12. Carry oxygenated blood away from the heart
  8. 13. The centre of the circulatory system
Down
  1. 1. The circulatory system has ____ main components
  2. 3. The ________ your heart rate, the faster your heart needs to pump
  3. 4. Control release of blood from one chamber to another
  4. 6. Vessels that connect arteries to veins
  5. 9. The heart is divided into ______ chambers
  6. 11. Thin outer walls with thin inner layers and a wide central tube is the physical structure of which type of vessel
  7. 12. Blood is carried away from the heart to the body through the _______