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Author Question: If you were to let a preschooler watch you give a Barbie doll a haircut, that child would expect ... (Read 115 times) |
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
The horizontal fraction bar was introduced by the Arabs.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.