2. The skin can also make some chemicals, such as ergot and cholesterol, into vitamin D under sunlight. This vitamin, calcium and phosphorus are important components of our bones. Without them, we would get rickets.
Sunlight is more important for children, because they are growing and developing rapidly, and the development of bones plays an important supporting role for the whole body. Once the lack of sunlight makes body form vitamin D, children's development will definitely have serious problems and so on.
How many good things did the sun do in a day: she made the peach blossom on the tree laugh; She made the wheat planted by the farmer's uncle more lush; She made the world brighter. How many good things did the sun in ............ do in one day: she made the peach blossom smile red; She makes the fruit grow bigger and redder; She eliminated people's fatigue in one day ... how many good things did the sun do in one day: she made flowers smile; She makes the young trees grow sturdily; She shines people with golden light, making them feel warm ... How many good things did the sun do in a day: she sprinkled golden light on young trees; She pulled up the wheat; She accompanies lonely old people day after day, which makes them feel particularly warm … ..