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						11							12		13
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Across 3. Surgical puncture to remove fluid from the abdomen 7. 2 infants born of the same pregnancy from 2 separate ova fertilized by 2 different sperm 10. Small, sausage-shaped bodies that, like miniature power plants, produce energy by burning food in the presence of oxygen 14. Vowel (usually O) that links the root to the suffix or the root to another root 16. Person with skin deficient in pigment (melanin) 17. Watery fluid that flows throughout the brain and around the spinal cord 18. White blood cells

Down 1. Located in the right upper quadrant of the abdomen, manufactures a think, orange-black, sometimes greenish fluid 2. One of two bean-shaped organs behind the abdominal cavity on either side of the spine in the lumbar region 3. Defective curvature of the cornea or lens in the eye 4. Imaging technique in which a series of x-ray films are obtained to visualize internal organs in multiple views including in cross section 5. Fluid that surrounds body cells 6. An exchange of gases at the cells within all organs of the body 7. Benign tumers in the uterus 8. Handheld device that sends and receives ultrasound signals 9. A more recently discovered hormone produced by the thyroid gland 11. The 2 bones the form the roof and upper part of the sides of the cranium (one on each side of the skull) 12. Masses, or growths, that arise from normal tissue 13. Large blood vessels that carry blood away from the heart 15. Outermost area of the skin