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Author Question: After teaching a group of students about the International Classification of Functioning, ... (Read 42 times) |
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
People about to have surgery must tell their health care providers about all supplements they take.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.