関連ワード:
how does cigarette smoking affect the circulatory system how does cigarette smoking affect the respiratory and circulatory system how do cigarettes affect the circulatory system how does cigarette smoking affect the cardiovascular system how does cigarette smoking affect the functioning of the respiratory and circulatory system how does smoking affect the heart and circulatory system how would cigarette smoking affect the cardiovascular system how does smoking affect the circulatory system how can smoking affect the circulatory system
