circulation, the movement of blood through the body., arteries, blood vessels that carry blood away from the heart., joints, places where two bones meet., muscles, tissues that allow movement and provide strength., surgery, a medical operation., immune system, the body’s defense system against disease., nervous strain, mental or emotional stress., antibiotics, medicines that kill bacteria., symptoms, signs that show someone is ill., inflammation, swelling, redness, and pain in part of the body., cutbacks, reductions in spending or resources., drugs, medicines used to treat illness..

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