Body Systems

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Across
  1. 3. The kneecap that protects the knee joint.
  2. 6. Circular movement of a body part, such as the arm.
  3. 9. Blood vessels that carry oxygen-rich blood away from the heart.
  4. 12. Blood vessels that return oxygen-poor blood to the heart.
  5. 13. A muscle located beneath the lungs that helps with breathing.
  6. 14. A gas that is essential for cellular respiration and is inhaled into the lungs.
Down
  1. 1. The bony structure that encases and protects the brain.
  2. 2. The organ that pumps blood throughout the body.
  3. 4. Movement of a body part away from the midline of the body.
  4. 5. The area where two or more bones meet and allow for movement.
  5. 7. Tissue that contracts to produce movement in the body.
  6. 8. The tube that carries air from the throat to the lungs.
  7. 10. A flexible tissue that cushions joints and supports structures.
  8. 11. A flexible but strong band of tissue that connects muscles to bones.