Kathy would have pain in her muscles due to <span>the accumulation of lactic acid in the muscles of her limbs, as a result of anaerobic respiration. </span><span />
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Apache, Dance Fever, Friend, Goodfellas, Jackpot, Murder 8, and Tango & Cash.
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Not enough information is given but my mom is in the medical feild and she says that a condition common with age is presbyopia. It causes the leanses in your eye to become less flexable and less able to thicken therefore less able to focus on near by objects. Another is catteracts which I assume you already know about so I will not explain.
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Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.
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