10 most difficult anatomy riddles A list of ten (out of 19) anatomy related questions that are the most often answered incorrectly Anatomy quiz A person who has 4 types of color receptors is called ...Tetrachromat. Man is usually sensitive to about 500,000 colors. Tetrachromacy is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cells in the eye. Organisms with tetrachromacy are called tetrachromats which can see up to 99 million shades. hard 40% Such people do not existSuch people do not exist18%QuatroculusQuatroculus31%ChromosomChromosom9%TetrachromatTetrachromat40%Created by: Tschuka. Statistics based on 2518 answers in 3 languages »eyes riddles » Which enzyme is responsible for the breakdown of fats in duodenum?Lipase. The duodenum is the first segment of the small intestine, which is largely responsible for the breakdown of food. It helps to digest all categories of food: carbohydrates, fats, and proteins. Fats break down with the help of the lipase enzyme, which secretes from the pancreas.hard 41% lipaselipase41%trypsintrypsin12%pepsinpepsin18%duodenum does't digest the fatsduodenum does't digest the fats26%Created by: Ninjai. Statistics based on 2544 answers in 3 languages »human anatomy riddles » 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.hard 42% symmetricallysymmetrically24%the left kidney is located higherthe left kidney is located higher42%the right kidney is located higherthe right kidney is located higher17%some people have the left one higher, others have the right one highersome people have the left one higher, others have the right one higher15%Created by: globalquiz.org. Statistics based on 20628 answers in 2 languages »medicine riddles » What is spider web made of? Protein. A spider web is a device created by a spider out of proteinaceous spider silk extruded from its spinnerets, generally meant to catch its prey. Spider webs have existed for at least 100 million years, as witnessed in a rare find of Early Cretaceous amber from Sussex, southern England. Many spiders build webs specifically to catch insects to eat. However, not all spiders catch their prey in webs, and some do not build webs at all. hard 44% proteinprotein44%pepsinpepsin18% silk thread silk thread21%Humbolt's secretionsHumbolt's secretions14%Created by: Tschuka. Statistics based on 155 answers in 3 languages »insects riddles » How much skin do we lose each day?1.5 g of the epidermis falls out of the body daily. Exfoliated epidermis feed on eg mites.hard 46% 0.1 g0.1 g17%1.5 g1.5 g46%15 g15 g18%50 g50 g16%Created by: Tschuka. Statistics based on 2581 answers in 3 languages »body riddles » Which blood type is the least common?AB-. AB is the rarest of all AB0 types, and Rh- is always less common than Rh+. In Western Europe, only 1% of the population has AB-. In the Eastern Asia Rh- is very rare: in Japan, only 0,05% of the population has AB-.hard 49% 0-0-34%0+0+8%AB-AB-49%AB+AB+8%Created by: globalquiz.org. Statistics based on 23253 answers in 3 languages »blood riddles » 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.hard 54% Karl LandsteinerKarl Landsteiner8%Karl Landsteiner's sick daughterKarl Landsteiner's sick daughter21%Prisoners of AuschwitzPrisoners of Auschwitz14%Rhesus MacaqueRhesus Macaque54%Created by: Kasia. Statistics based on 25271 answers in 2 languages »animals riddles » How many baby teeth do humans have?20. There are five baby teeth on each side of each jaw. Baby teeth are replaced by permanent teeth from age six to age twelve.hard 55% 121210%202055%282826%36367%Created by: globalquiz.org. Statistics based on 28313 answers in 3 languages »teeth riddles » Where in human body would you find the trigeminal nerve?Head. The trigeminal nerve is the largest of the cranial nerves responsible for sensation in the face and motor functions such as biting and chewing.hard 57% footfoot8%headhead57%handhand16%thighthigh17%Created by: Ninjai. Statistics based on 8003 answers in 3 languages »science riddles » Which lung is bigger?Right one. The right lung is larger than left lung, due to the heart being located slightly to the left (even though it is shorter due to upward compression by liver). The left lung is made up of 2 lobes while right is made up of 3 lobes.average 65% right oneright one65%left oneleft one12%both are identicalboth are identical16%all these answers are correctall these answers are correct5%Created by: karate kid. Statistics based on 24848 answers in 3 languages »nature riddles » Play anatomy quiz and see all the questions.