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Author Question: Waves from a radio station with a wavelength of 900 m arrive at a home receiver a distance 50 km ... (Read 21 times) |
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.