There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.