Answer:
The exact physical causes of colour blindness are still being researched but it is believed that colour blindness is usually caused by faulty cones but sometimes by a fault in the pathway from the cone to the brain.
When you are really upset and so mad that you think about hurting yourself, you’re friends and family and the people who care about u will try to help u and give u good choices to make and they will help u make them. They will also, depending on the situation they will probably try to get u the best healthcare that helps u in the best way that is suitable for u.
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.
