Please post more information for it to be a question, rather than a statement
<span>the ability of the heart and lungs to supply oxygen to the body</span>
Well there’s a lot of positive things but the main one would be how we are able to combat more and more viruses/ diseases and also we are learning more about how to improve our overall health.
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The endocrine system is a tightly regulated system that keeps the hormones and their effects at just the right level. One way this is achieved is through 'feedback loops'. The release of hormones is regulated by other hormones, proteins or neuronal signals. The released hormone then has its effect on other organs.
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I believe its Articles in medical journals
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