A) teeth
B) kidney
C) brain
D) heart
Correct Answer: A
Solution :
Prolonged intake of fluoride polluted water causes stiffing of bone and joints particularly spinal cord. Due to affinity with calcium, fluoride stores in bones which causes mottling of teeth, bone pains and outward bending of legs from the knees. This is known as Knock Knee Syndrome.You need to login to perform this action.
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