Answer:
The body requires sun to make vitamin D (option b)
Explanation:
Vitamin D is a nutrient belonging to the liposoluble vitamins —together with vitamins A, E and K— that participates mainly in the metabolism and homeostasis of calcium and phosphorus, among other functions.
<em><u>Dehydrocholesterol</u></em><em><u> is the chemical compound from which </u></em><em><u>vitamin D₃</u></em><em><u> —cholecalciferol— is synthesized, which occurs in the skin thanks to the effect of </u></em><em><u>sunlight</u></em><em><u>.
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Cholecalciferol is inactive, and as it passes through the liver and kidney it is transformed into its active equivalents, calcidiol and calcitriol, respectively.
14:<span>D. Type; performing a different activity to achieve his goal
15:</span><span>C. Walk four times per week.
20:B. </span><span>Stretching on non-running days</span>
C is the correct answer because it always comes back worse
Disease. I know that’s something which obesity may be able to bring in.
