"Air and Flow": A Crossword Puzzle on How We Breathe and Move Blood

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Across
  1. 3. an important structure in the respiratory system that helps to filter, warm, and humidify the air as we breathe, as well as providing us with the ability to smell.
  2. 7. is the color of oxygenated blood.
  3. 9. type of blood that is typically found in the veins, which carry blood from the body's tissues back to the heart and lungs.
  4. 10. are blood vessels that carry deoxygenated blood from the body's tissues back to the heart.
  5. 13. are the smallest blood vessels in the body, connecting arteries and veins.
  6. 15. a muscle that helps you inhale and exhale. Is also found under the lungs.
  7. 16. is the main organ of the circulatory system and is responsible for pumping blood throughout the body.
  8. 18. an organ located on the face that serves as the primary entrance for air into the respiratory system.
  9. 19. plays a significant role in human life, both as a necessary component for respiration and as a byproduct of human activities.
  10. 20. consists of organs in the body that help us to breathe.
Down
  1. 1. type of blood that is typically found in arteries, which carry blood from the heart to the body's tissues.
  2. 2. is a complex network of blood vessels, the heart, and blood that work together to transport oxygen, nutrients, hormones, and waste products throughout the body.
  3. 4. are vital organs in the respiratory system that facilitate the exchange of oxygen and carbon dioxide during breathing.
  4. 5. are part of the circulatory system that transport blood throughout the body.
  5. 6. a vital element for life on earth and plays an essential role in cellular respiration and a variety of other bodily functions.
  6. 8. are blood vessels that carry oxygenated blood away from the heart and to the body's tissues.
  7. 11. an important part of the respiratory system that transports air to and from the lungs.
  8. 12. is the color of deoxygenated blood.
  9. 14. also known as the voice box, is an organ in the neck of mammals that is involved in breathing,sound production, and swallowing.
  10. 17. organ that you use in breathing when having a clogged nose.