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Across 2. a particular selection of food, especially as designed or prescribed to improve a person's physical condition or to prevent or treat a disease. 3. STRETCHING 7. hysical suffering or distress due to injury, illness ECT. 8. a reverse movement or tendency; an action in a reverse direction or manner. 12. BEING FIT. 15. CARBON 16. USED TO WIN RUNNING RACES. 17. THIS IT THE AIR WE BREATHE.

Down 1. a special form or variety of this liquid, as rain. 2. pertaining to the science of dynamics. 4. BOMB OR GRENADE. 5. AEROBIC 6. MAIN RECOURSE THAT PUMPS BLOOD. 9. POWER 10. a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body. 11. STAMINA 13. The movable or fixed place or part where two bones or elements of a skeleton join. 14. PUMPED AROUND BY THE HEART THROUGH VEINS.