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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
The familiar sounds of your heart are made by the heart's valves as they open and close.
![Photograph taken during a laparoscopic procedure. The fundus of the uterus is visible below the prob](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_52_26_82611757.jpeg)
![Phlebotomy. In this common procedure, a syringe needle punctures a vein, usually in the arm, and wit](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_46_100322221.jpeg)