Cornoray heart disease can lead to a ?

What did you guys think of the super bowl yesterday? ?

How is the structure of our circulatory system and respiratory system related to the function of both these systems?

Dora experiences frequent headaches and was ordered by her doctor to take medicine for headache relief. what should she do so as not to abuse the medicine? take the medication as prescribed take an extra over-the-counter pill take double the dose of the prescribed medicine to make the headaches go away quickly take the medication to relieve her feelings of loneliness and depression