The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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.
Apparent and True Orbits of Alpha Centauri.
True Forget-Me-Not
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Example of a patient statement.
Midsagittal section indicating locations of true and false pelves