During the plague epidemic in the 14th century, ships arriving in Venice from infected ports were instructed to sit at anchor for 40 days before landing. This practice, called quarantine, was derived from the Italian words Quaranta Giorni which mean 40 days. Quarantine is the separation of a person or a group of people who although do not have symptoms of illness may have been exposed to a transmissible disease, from other people to prevent the spread of disease. The concept of quarantine is introduced by Avicenna (the European name for Abu ‘Ali al-Husayn ibn Sina) a significant Persian polymath who helped to elucidate the contagious nature of infectious diseases.

Hypothalamus is the part of the brain which controls things like thirst, hunger, body temperature, and the release of many hormones.

The ABO human blood groups were discovered by the Austrian American biologist Karl Landsteiner in 1901.

Estrogen promotes closing of epiphyseal plates, which are structures present on the terminal ends of bones, composed of cartilage. These promote the growth of bone.

Of all your fingers, you might think your pinky is the most useless. But your little finger is particularly important in a firm grip, and hand surgeons agree if you’re going to lose one, the index finger is the best one to lose as by losing your little finger, your grip strength is reduced by 50%.

The diaphragm is a thin skeletal muscle that lies at the base of the chest and separates the stomach from the chest. Contract and anti-aliasing when inhaled. This creates a vacuum effect that attracts air into the lungs. When you exhale, the diaphragm relaxes, and so the air is thrown out of the lungs.

Hemoglobin is contained in erythrocytes, which effectively transport oxygen from the lungs to the tissues of the body. Hemoglobin also helps to transport carbon dioxide and hydrogen ions back to the lungs.

These ingredients help replenish lost fluids and stimulate energy release. They also contain ginseng, which reduces stress, bilboa seeds which enhance memory and the amino acid Taurine, which increases heart and skeletal muscle contractions.

According to Pliny: “There are eyelashes on both sides of human eyes; women’s [eyelashes] are actually commonly dyed with cosmetics: they strive for beauty to such an extent that they even color their eyes. … It is said, not unjustly, that the [eyelashes] fall off in the case of those people who have a great deal of sexual intercourse.”

On average, nails grow about one-tenth of an inch per month. The fastest nail grows on the middle finger. Slower nail growth – miniature. Frozen nails grow faster than nails that do not cut regularly.