Crying or shedding tears is one way to express emotions. But behind his emotional impression, it turns out there are some interesting facts about tears that are not widely known. Tears are produced by the lacrimal glands in the upper eyelid. In addition to venting emotions, it turns out tears also play an important role in maintaining eye health, such as to moisturize the eyes to prevent dry eyes and irritation, and provide nutrition to the eyes. Tears Consist of Several Layers Tears consist of three layers. Each tear layer contains various nutrients, such as potassium, sodium, protein, glucose and fat. These nutrients will later be used to protect and lubricate the surface of your eyes. Here are the layers that are in tears: A layer of water This is the thickest layer in the structure of tears. The layer of water serves to remove impurities that enter the eye, moisturize the eye, and protect the cornea of the eye. Oil coating This layer contains more fat. This large amoun
Consumption of various green vegetables has extraordinary benefits for the body. Green vegetables have a myriad of benefits because of the nutritional content in them, such as fiber, vitamins, minerals, and vegetable compounds. One of the benefits of green vegetables is that it can maintain the health of the digestive tract because of the fiber content in it. In addition, green vegetables can also help protect the body from heart disease, diabetes, and cancer. Green vegetables are quite easy to find and can be processed according to taste. Various Types of Green Vegetables that are Good for Health Here is a list of green vegetables that you can consume every day: 1. Kale Kale contains complete nutrition, ranging from vitamins A, C, and K, as well as calcium, potassium, and folate. Eating kale can reduce cholesterol and reduce the risk of heart disease. 2. Mustard Despite having a shape similar to kale, the nutritional content of mustard greens is not the same as kale. Musta