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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
![The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_14_25_100191159.jpeg)
![A Dorsal view of a scan of the hand phalange of a child from Denisova that yielded mtDNA that differ](https://biology-forums.com/gallery/47/medium_273287_22_02_15_10_29_18_20802442.jpeg)