10 most difficult human anatomy riddles A list of ten (out of 33) human anatomy related questions that are the most often answered incorrectly Human anatomy quiz 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.very hard 27% mysophobiamysophobia27%erythrophobiaerythrophobia15%haphephobiahaphephobia29%tokophobiatokophobia27%Created by: Paweł Kołodziejczyk. Statistics based on 2530 answers in 4 languages »names riddles » How wide is human field of view, if eye movement and preipherial vision are included? (head rotation excluded)200°. Without the eye movement, humans have an almost 180-degree forward-facing horizontal field of view. With eyeball rotation of about 90° , horizontal field of view is as high as 200°. very hard 28% 90°90°9%120°120°30%160°160°30%200°200°28%Created by: globalquiz.org. Statistics based on 4998 answers in 4 languages »eyes riddles » Which protein causes blood to clot?Fibrinogen. In order to reduce the loss of blood and facilitate the recovery of the blood vessel at the site of the injury, a blood clot is formed. It is made up of platelets and dissolved plasma protein-fibrogen. By the substance released by the blood-thrombin plate, fibrogen changes into fibrin, which creates a dense network at the site of injury.very hard 31% fibrinogenfibrinogen31%fibrinfibrin34%myosinmyosin13%pepsinpepsin21%Created by: pawnik. Statistics based on 1645 answers in 2 languages »blood riddles » What is cardiomyopathy?Thick cardiac muscles. Cardiomyopathy is a condition in which the heart's muscles get very thick and lose function. Cardiomyopathy is notorious for causing sudden death, especially in young athletes. Medications can sometimes control it, but in some cases, the patient needs a heart transplant.very hard 34% Decrease in heart size.Decrease in heart size.17%Thick cardiac musclesThick cardiac muscles34%Increase in heart sizeIncrease in heart size18%Thin cardiac musclesThin cardiac muscles29%Created by: 12 year old genius. Statistics based on 186 answers »diseases riddles » 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.very hard 35% coke from coalcoke from coal6%saltpetersaltpeter16%digestive enzymedigestive enzyme35%heroinheroin42%Created by: Kasia. Statistics based on 14855 answers in 4 languages »beverages 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 40% symmetricallysymmetrically26%the left kidney is located higherthe left kidney is located higher40%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 higher16%Created by: globalquiz.org. Statistics based on 10811 answers in 2 languages »anatomy 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% 0-0-33%0+0+8%AB-AB-49%AB+AB+8%Created by: globalquiz.org. Statistics based on 17457 answers in 2 languages »Japan riddles » Are there pneumatic bones in the human body?Yes, they are in skull. Pneumatic bones are light and consist of empty chambers filled with mucous membrane and air. In human body we can find them only in skull ( frontal bone, maxilla and mandible, ethmoid bone, temporal bone )hard 51% NoNo23%Yes, it is pelvis Yes, it is pelvis 15%Yes, they are in skullYes, they are in skull51%Yes, thery are in feetYes, thery are in feet9%Created by: Natka555. Statistics based on 2750 answers in 2 languages »skeleton 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 53% Karl LandsteinerKarl Landsteiner8%Karl Landsteiner's sick daughterKarl Landsteiner's sick daughter22%Prisoners of AuschwitzPrisoners of Auschwitz15%Rhesus MacaqueRhesus Macaque53%Created by: Kasia. Statistics based on 18676 answers in 2 languages »medicine 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 53% 121211%202053%282827%36367%Created by: globalquiz.org. Statistics based on 18502 answers in 2 languages »teeth riddles » Play human anatomy quiz and see all the questions.