The items that can contribute to heart disease is C. Nitrogen oxides and carbon monoxide. These are the chemicals that contribute to pollution. Carbon monoxide is the product from a combustion that can affect our respiratory system whenever we inhale this gaseous chemical. And nitrogen oxides can affect and penetrate areas of the body when inhaled in which our respiratory organs may be affected by diseases because of this chemical.
Answer:
A. The atria are contracting and pushing blood into the bottom ventricles of the heart.
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Answer:
Hippocrates the ancient famous philosopher taught his students that food is medicine.
Explanation:
I would say no more than 40 mg
