The Cardiovascular and Lymphatic Systems

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Across
  1. 1. May be caused in the heart by a hole in the heart or a leaking or malfunctioning valve
  2. 3. Microorganisms that cause disease
  3. 6. Small vessels that carry blood from arterioles and to small vessels called venules
  4. 8. The color of the blood cells that protect the body against infection
  5. 10. The fluid that contains other parts of the blood
  6. 13. Clear fluid that fills the spaces around body cells
  7. 14. An infection of the tonsils
  8. 17. The types of cells in the blood that cause blood clots to form
  9. 19. One of the three main types of blood vessels that branch into progressively smaller vessels
  10. 20. System that helps fight infection and provides immunity to disease
  11. 22. Most common cause of this condition is iron deficiency
  12. 23. At the top of the right atrium is an area of muscle that acts as a _____ for the heart
Down
  1. 2. B cells _____ when they come in contact with a pathogen
  2. 4. Bean-shaped organs called lymph ____
  3. 5. System that provides nutrients and oxygen, carries away waste, and helps fight disease
  4. 7. Red blood cells contain this, which is the oxygen-carrying protein blood
  5. 9. Together, your heart and _____ form your cardiovascular system
  6. 11. An inherited disorder where the blood does not clot properly
  7. 12. This type of pressure is a measure of the amount of force that blood places on the walls of blood vessels
  8. 15. A wall of tissue that separates the two sides of the heart
  9. 16. These carry blood throughout the body; there are many types
  10. 18. There are this many main types of T cells: killer cells and helper cells
  11. 21. Two top chambers of the heart