Keep Calm and Study Anatomy

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Across
  1. 3. The structure that connects muscles to bones
  2. 6. The longest bone in the human body
  3. 7. The valve between the left atrium and left ventricle
  4. 10. The process of blood cell formation
  5. 14. The small intestine segment where most nutrient absorption occurs
  6. 17. The type of joint found in the shoulder and hip
  7. 18. The outermost layer of the skin
  8. 19. The fluid that cushions and protects the brain and spinal cord
  9. 20. The gland that regulates metabolism
Down
  1. 1. The large vein that carries deoxygenated blood to the heart
  2. 2. The part of the brain that controls involuntary functions
  3. 4. The functional unit of the kidney
  4. 5. The primary muscle used for respiration
  5. 8. The part of the eye that controls the amount of light entering
  6. 9. The smallest functional unit of life
  7. 11. The bone that forms the forehead
  8. 12. The part of the brain responsible for balance
  9. 13. The protein responsible for oxygen transport in red blood cells
  10. 15. The artery that supplies blood to the heart muscle
  11. 16. The largest organ in the human body