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Author Question: The chemical composition of stars can be determined from lines in their spectra. Indicate whether ... (Read 53 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.