The correct answer based on the given statement above is TRUE. It is true that some factors that contribute to a person's <span>optimal personal health include nutrition, exercise, and genetics. These are considered necessary in order to achieve optimal health. Hope this answers your question. </span>
Weight control is the primary benefit of exercise.
This is false because exercise isn't just for weight loss but also for overall health, such as good heart function.
Gases- Oxygen, hydrogen, carbon monoxide, nitrogen
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Smallpox<span> vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught </span>cowpox<span> did not later catch </span>smallpox<span> by showing that inoculated</span>cowpox<span> protected against inoculated </span>smallpox<span>.</span>
