zoie pilgrim/Mrs.Key

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Across
  1. 3. a blood vessel that carries blood away from the heart to the body's organs
  2. 5. the clear, watery fluid that leaks from blood vessels and contains white blood cells
  3. 6. a tiny blood vessel that allows an exchange between blood and cells in tissue
  4. 7. a collection of organs whose primary function is to take in oxygen ans expel carbon dioxide
  5. 8. one of the two main branches of the trachea that lead directly to the lungs
  6. 9. the part of the respiratory system between the pharynx and the trachea
  7. 10. thin-walled tube that extends from the larynx to the bronchi
  8. 13. small, bean-shaped masses of tissue that remove pathogens and dead cells from the lymph
Down
  1. 1. tiny,thin-walled, capillary rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place
  2. 2. a network of organs and tissues that collect the fluid that leaks from blood and returns it to blood vessels
  3. 4. the part of the respiratory system that extends from the mouth to the larynx
  4. 6. a collection of organs that transport blood throughout the body
  5. 11. the fluid that caries gases, nutrients, and wastes through the body and that is made up of platelets, white blood cell, red blood cells, and plasma
  6. 12. in biology, a vessel that carries blood to the heart