Badaidn
Answered

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How do the diseases in the circulatory and respiratory
systems begin to develop?


Sagot :

In circulatory system,example heart attack.It begins when you ate too much fats.It blocking the path of the blood *blood vessel* so the heart reacts because there not enough blood inside it.The respiratory system if you smoking too much or your a chain smoker that will cause you a lung cancer.
They Begin To develop when they keeping their circulatory and respiratory not healty example drinking beer etc.