Human Body Systems

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Across
  1. 3. Proper name for kneecap
  2. 8. Intestine that absorbs nutrients
  3. 10. Absorbing oxygen
  4. 12. Number of energy systems used in the human body
  5. 14. Where Oxygen goes after being absorbed by the body
  6. 15. One of the muscles in your upper arm
  7. 16. Bones in the sole of your feet
  8. 18. Bi-Product of Digestion
  9. 19. Breathed in through the air
Down
  1. 1. proper name for skull
  2. 2. Connects muscle to bone
  3. 4. Connects bone to bone
  4. 5. Muscle around your upper body
  5. 6. Absorbing nutrients through food
  6. 7. Bones in your palm
  7. 8. Organ which breaks down food with acid
  8. 9. Organ that further breaks down food with bile
  9. 11. What your body turns into energy
  10. 13. Bones that protect your organs
  11. 17. Organs that absorb oxygen