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Author Question: The Treaty of Tianjin a. allowed Japan to take over Korea. b. made the Chinese opium trade ... (Read 44 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.