Crossword 1: Ch 33, 38-40

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Across
  1. 4. The grape-like structures in your lungs where gas exchange occurs
  2. 5. Knee bone
  3. 9. This chamber of the heart pumps oxygenated blood to the rest of the body through the aorta
  4. 10. The point at which two bones meet. Three types: cartilaginous, sutures and synovial
  5. 14. A bone of the forearm that is in line with the thumb
  6. 16. The _____ vein carries oxygenated blood from the lungs back to the heart
  7. 18. A process by which living organisms constantly adjust to internal and external changes to maintain a steady state in their body
  8. 20. The upper jaw bone
  9. 22. The ____ skeleton includes the following bones: shoulders, arms and legs, pectoral and pelvic girdles
  10. 24. Adipose tissue is an example of _____ connective tissue because it is composed of loosely woven protein fibers
  11. 25. This type of muscle tissue is attached to the bones of the skeleton and is mainly controlled voluntarily
  12. 26. This chamber of the heart receives deoxygenated blood from the body through the Vena Cava (two words)
  13. 28. An animal that can control its internal body temperature by its own metabolic reactions (name means “inside temperature”)
Down
  1. 1. Bone cells that repair and grow bone tissue
  2. 2. Toe and finger bones
  3. 3. Collar bone
  4. 6. The breastbone where the first 7 pairs of ribs connect in front
  5. 7. Cube-shaped epithelial cells that can be in a single layer or multiple layers
  6. 8. One job of the respiratory system is to remove this gas (a toxic, waste product) from your lungs (2 words)
  7. 11. A muscular organ under your lungs that makes breathing more efficient
  8. 12. The four types of tissues are connective, muscle, nervous and _______
  9. 13. The extracellular matrix of blood, which is mainly fluid
  10. 15. Another word for your throat that contains the trachea and esophagus
  11. 17. body The part of the neuron that contains the nucleus and other cell organs (2 words)
  12. 19. A single layer of epithelial cells is called _______ epithelia
  13. 21. The smallest type of blood vessels where gas exchange occurs
  14. 23. The part of your circulatory system that pumps the blood
  15. 27. A blood vessel that carries blood away from the heart