Anatomy & Physiology Crossword puzzle

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Across
  1. 4. The outer covering of the body-skin, fur, claws, feathers or scales
  2. 5. An irregular bone found in the spine
  3. 8. The basic structural unit of life
  4. 11. A white blood cell
  5. 12. The blade shaped bone found in the shoulder
  6. 15. An animal eating only a plant based diet
  7. 17. Composed of the bones along the axis of body
Down
  1. 1. The master gland of the endocrine system
  2. 2. The sense of smell
  3. 3. Pertaining to an area furthest away from body
  4. 5. The sense of balance and head position
  5. 6. Duration of pregnancy time
  6. 7. The act of giving birth to multiple young
  7. 9. A connective tissue made up of plasma and cells
  8. 10. A red blood cell
  9. 12. The largest organ in the body
  10. 13. The sesmoidal bone found at the knee joint
  11. 14. A muscular 2 way pump that moves blood around body
  12. 16. The opposite of extension