Anatomy Crossword

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Across
  1. 3. located in the upper right abdomen, plays a vital role in detoxifying the body by filtering blood and metabolizing toxins.
  2. 5. Tough tissue; connects muscle to bone.
  3. 6. Nasal opening; allows air to enter the respiratory system.
  4. 9. Digestive organ; regulates blood sugar levels and produces digestive enzymes.
  5. 11. Thigh bone; largest bone in the human body.
  6. 13. Chemical messenger; regulates body functions and growth.
Down
  1. 1. Living being; examples: a plant, animal, or human.
  2. 2. Blood vessel; carries oxygen-rich blood away from the heart.
  3. 4. Feel-good chemical; associated with pleasure and reward.
  4. 7. Breathing system; involves inhaling oxygen and exhaling carbon dioxide.
  5. 8. Genetic blueprint; carries instructions for the development and function of living organisms.
  6. 10. Nerve cell; building block of the nervous system.
  7. 12. Body's electrical wiring; transmits signals between the brain and body.