Vocabulary Crossword #2

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Across
  1. 3. tiny blood vessels connecting arteries and the veins. They carry nutrients and oxygen to cells throughout the body.
  2. 5. A large air tube which starts at the end of the trachea and branches into the lungs.
  3. 8. A tube that is behind the nose, goes down the neck, and ends at the top of the trachea and esophagus.
  4. 9. the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body
  5. 10. the process/action of breathing
  6. 14. system a system in the body that returns leaked fluids to blood vessels and helps get rid of bacteria and viruses.
  7. 17. circulation moves blood between the heart and the lungs by transporting deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide and then the oxygenated blood flows back to the heart.
  8. 19. As commonly known as the voice box, it is the area of the throat containing the vocal cords and used for breathing, swallowing, and talking.
Down
  1. 1. Also known as the windpipe, this is the airway that leads from the larynx to the bronchi.
  2. 2. system a system where your lungs absorb oxygen and release carbon dioxide which allow you to breath.
  3. 4. lumps of tissue on both sides of the back of the throat that help the immune system protect the body from infections.
  4. 5. Pressure the pressure of blood in the cardiovascular system and is the result of blood pumping blood through the system.
  5. 6. an organ near the stomach that destroys worn-out red blood cells and produces some of the white blood cells.
  6. 7. system Also known as the circulatory system, is a system where your heart pumps and circulates blood through all your blood vessels.
  7. 11. node Hundreds of small structures that filter for harmful substances in the body and help fight infections by attacking germs.
  8. 12. one of the blood vessels that carry the blood back to the heart.
  9. 13. circulation supplies and carries blood from the heart to the body tissues.
  10. 15. A colorless fluid that contains white blood cells that help fight infections.
  11. 16. located in front of the heart and behind the sternum. T cells or T lymphocytes mature here. It is part of the lymphatic system.
  12. 18. where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.