Cardiovascular disease is caused by narrowed or blocked blood vessels that can lead to a heart attack, chest pain (angina) or stroke.
aerobic exercise help reduce atheroscelerosis which is the same thing as blocking and narrowing of blood vessels.It keeps arteries healthy by lowering bad cholesterol and boosting good cholesterol. also areobic exercise helps with the blood pressure too.
hope this helps. If it does, dont mind putting it as the brainliest answer
<em>I think that the two structures are muscle and the nervous system.</em>
<em>The reason I believe this is because in order to move we need to have control over our muscles and the nerves inside them that cause them to react to the commands our brains perform. Once both aspects are put together we are capable of moving our bodies.</em>
<em>Hope this helps.</em>
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Enlargement of the breasts would be your answer