Top 10 human anatomy facts Selected as the most interesting among human anatomy related questions in Human anatomy quiz How many bones does an adult human have?206. At birth, there are over 270 bones in an infant human's body, but many of these fuse together as the child grows (in the skull, vertebral column etc.), leaving a total of 206 separate bones in an adult.Created by: Kasiaskeleton facts » Lactose intolerance is a frequent reason to avoid milk and dairy products. What is lactose?A sugar. Lactose is a disaccharide sugar that makes up around 2-8% of milk. Lactose intolerance is not an allergy. It is the inability to digest lactose due to insufficient levels of lactase, the enzyme that metabolizes lactose into glucose and galactose.Created by: Kasiafood facts » The Rh blood group system was discovered by Karl Landsteiner and Alexander S. Wiener. With whose blood were they experimenting?Rhesus Macaque. "Rh" stands for "Rhesus". Due to its relatively easy upkeep in captivity and anatomical closeness to humans, rhesuses have been used extensively in medical research.Created by: Kasiablood facts » What was included in the original Pepsi-Cola recipe?Digestive enzyme. Pepsi Cola, first introduced in 1898, was named after pepsin (enzyme) and kola (nuts). In 1931, the company entered bankruptcy and changed hands. The new owners changed the recipe to resemble more Coca-Cola.Created by: Kasiabeverages facts » In what climate are the eyebrows the most useful?Tropical. It is believed that the main purpose of eyebrows is to keep sweat out of the eyes.Created by: globalquiz.orgnature facts » Which tool has both right-handed and left-handed versions?Scissors will not cut properly if held in the wrong hand, and are manufactured in both lateral varieties. However, since right-handed version is common, most left-handed people learn to operate scissors with their right hand.Created by: globalquiz.orgtools facts » Which tool is more easily used by a right handed person, than by a left handed?Screwdriver. The reason for the clockwise orientation of most screws and bolts is that supination of the arm, which is used by a right-handed person to turn a screw clockwise, is generally stronger than pronation; while screwing is generally done more often than unscrewing.Created by: Bettytechnology facts » People have usually two kidneys. How are these located?The left kidney is located higher. Because of the asymmetry within the abdominal cavity caused by the liver, the right kidney is typically slightly smaller and located lower than the left. Moreover, the left kidney is located slightly more medial than the right.Created by: globalquiz.organatomy facts » Where are the islets of Langerhans?In the pancreas. The islets of Langerhans are the regions of the pancreas that contain its endocrine (i.e., hormone-producing) cells. Created by: Paweł Kołodziejczyksatellite photography facts » How is the fear of pregnancy and childbirth called?Tokophobia often leads patients to ask for a Caesarean section. Frequency of appearing: 6-10% pregnancies.Created by: Paweł Kołodziejczykphobias facts » Play human anatomy quiz and see all the questions.