Human Body Crossword

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Across
  1. 1. Filters waste from the blood like urea, water, salt and proteins.
  2. 4. The passages that direct air into the lungs
  3. 5. Blood cells that carry oxygen from the lungs to the body cells.
  4. 8. Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
  5. 10. Found in the kidney, little filter that blood goes through.
  6. 12. Smallest blood vessel; connects arteries and veins - is where stuff is being delivered and picked-up.
  7. 13. The liquid part of blood
  8. 15. Stores urine
Down
  1. 2. System that breaks down food into smaller molecules. Absorbs these nutrients into the body.
  2. 3. Allows air to pass to and from lungs (windpipe)
  3. 6. A muscular tube that connects the mouth to the stomach.
  4. 7. Upper chamber of the heart
  5. 9. An organ that exchanges oxygen and carbon dioxide with the blood
  6. 11. A collection of tissues that carry out a specialized function of the body
  7. 14. The basic unit of structure and function in living things