James suffers from atherosclerosis a condition that causes artery walls to harden and thicken atherosclerosis restricts blood to flow to organs and tissues the restricted blood flow increases blood flow pressure in which system does atherosclerosis develop

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they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.