Circulation and Respiration Chapter 16 AR12

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Across
  1. 1. One of the two tubes that connect the lungs with the trachea.
  2. 7. A blood vessel that carries blood away from the heart to the body organs.
  3. 9. The tube that connects the larynx to the lungs.
  4. 12. A cell which destroy bacteria, viruses, and other harmful particles. They also clean wounds and get rid of hurt or dead cells.
  5. 14. Any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged.
  6. 18. The flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries, capillaries, and veins.
  7. 19. A muscular organ that is about the size of your fist, located in the middle of your chest and pumps blood throughout the body by contractions.
  8. 20. Supply oxygen for every living cell in the body.
  9. 22. The passage from the mouth to the larynx and esophagus.
Down
  1. 2. In biology, the exchange of oxygen and carbon dioxide between living cells and their environment; includes breathing and cellular respiration.
  2. 3. A collection of organs that transport blood through the body.
  3. 4. Large cells that clump together when you get cuts to plug it so that blood is not lost.
  4. 5. The build up of cholesterol and other lipids in blood vessels.
  5. 6. In biology, a vessel that carries blood to the heart.
  6. 8. A tiny blood vessel that allows an exchange between blood and cells in tissue.
  7. 10. The flow of blood from the heart to all parts of the body and back to the heart.
  8. 11. System A collection of organs whose primary function is to take in oxygen and expel carbon dioxide.
  9. 13. A fluid made up of water, minerals, nutrients, sugars, proteins, and other substances.
  10. 15. The area of the throat that contains the vocal cords and produces vocal sounds.
  11. 16. The fluid, or tissue that carries gases, nutrients, and wastes through the body and that is made up of platelets, white blood cells, red blood cells, and plasma.
  12. 17. the force that blood exerts on the walls of the arteries.
  13. 21. A muscle under the lungs which when contracts and lowers the lungs inhale because of the chest cavity growing, getting larger.