The nervous and endocrine systems<span> exert the ultimate control over </span>homeostasis<span>because they coordinate the functions of the </span>body's systems<span>. Regulation of </span>body<span>temperature, blood pressure, pH, and glucose concentration are four examples of how the </span>body<span> maintains </span>homeostasis<span>.
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Smooth ice reduces the unbalanced forces that would slow the hockey puck
The term to describe a pure substance made up of only one type of atom is a chemical element.
Answer:
<em>In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left </em><em>atrium</em><em>.</em>