<u>Negative eugenics </u>came to mean the study or practice of improving the human race through selective breeding and, sometimes, restrictive immigration policies
Our bodies comprise of various <em>natural biological systems</em> that complete explicit capacities vital for ordinary living
The activity of the <em>circulatory system</em> is to move blood, supplements, <em>oxygen, carbon dioxide, and hormones, around the body</em>
<em>It comprises of the heart, blood, blood vessels,arteries and veins. </em>
People are an essential piece of biological systems
Biological systems give an assortment of advantages to individuals, including including <em>provisioning, regulating, cultural, and supporting services.
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