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Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

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.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
The tubes and fins of the radiator core. The tubes and fins of the radiator core.
The European Core: Cities The European Core: Cities
Acetylation of core histones Acetylation of core histones
Scientists with ice core Scientists with ice core
The James-Lange Theory of Emotion The James-Lange Theory of Emotion
Video: Cardiac Cycle (Part 2 of 4)

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