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Author Question: The single cell resulting from the union of sperm and egg cells is known as a ____. a. gonad c. ... (Read 49 times) |
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.