When homeostasis is not maintained, the body cannot function properly and illness may ensure.<span> Homeostasis is the process in which the body's overall internal environment is kept constant in response to any external environmental changes.</span>
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To other people, abstinence means not having sexual intercourse during the time of the month that they may be most fertile. The best description of this practice is periodic abstinence, which is considered a method of natural family planning.
Explanation:
The second trimester is when the respiratory system is mature.
Explanation:
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