Digestive organs secrete essential enzymes like amylase and protease to process food. Understand the roles of the skeleton and the impact of bacteria on organs.
It eventually happens to almost all contact lens wearers: You fall asleep while still wearing your contacts. With approximately 10 percent of Americans wearing contact lenses regularly, according to the American Academy of Ophthalmology, concerns about sleeping with contact lenses are common.
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You are at the beach when a gust of wind blows sand into your eye. Your eye is immediately tearing and irritated. The next steps you should take include flushing the eye with water and planning a visit to your eye doctor for careful inspection.
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From time to time, everyone sees small dark specks moving in their vision. These "floaters" are actually condensations of vitreous humor -- the gel that fills the inside of the eye. The more movement a person makes, such as during exercise, the more floaters that can be seen moving.
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