Human Body Systems Puzzle

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Across
  1. 2. Connects arteries and veins, stuff is being delivered and picked-up here
  2. 8. Another intestine where most nutrient absorption takes place
  3. 9. the liquid part of blood
  4. 12. a large muscular sac that performs both mechanical and chemical digestion
  5. 14. An intestine that absorbs water
  6. 15. lower part of the heart
Down
  1. 1. A cell fragment that forms scabs
  2. 3. A blood vessel that takes blood from the heart
  3. 4. allows air to pass to and through the lungs, also know as the windpipe
  4. 5. A long narrow tube that connects the mouth and stomach
  5. 6. A blood vessel that brings blood back to the heart
  6. 7. A blood cell that fights disease
  7. 10. upper part of the heart
  8. 11. Where digestion starts
  9. 13. Finger-shaped structures that line the small intestine