10 most difficult anatomy riddles

A list of ten (out of 27) anatomy related questions that are the most often answered incorrectly

Anatomy quiz

People have usually two kidneys. How are these located?

some people have the left one higher, others have the right one 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.

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wikipedia → Kidneys

human anatomy riddles

How many muscles does the earlobe consist of?

Doesn't consist of any muscles

There are some of them : Helicis major, Helicis minor, antitragus, tragus, Oblique muscle of auricle etc.

Damianp2

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wikipedia → Ear

biology riddles

Which blood type is the least common?

AB-

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-.

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blood riddles

Which enzyme is responsible for the breakdown of fats in duodenum?

lipase

trypsin

pepsin

duodenum does't digest the fats

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 is secreted from the pancreas.

Ninjai

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wikipedia → Duodenum

human anatomy riddles

A person who has 4 types of color receptors is called ...

Such people do not exist

Quatroculus

Chromosom

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.

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eyes riddles

Who is referred to as the "Father of microscopical anatomy, histology, physiology and embryology"?

Marcello Malpighi was an Italian biologist and physician, the first person to see the capillaries in animals. His name bears to several physiological features related to the biological excretory system, such as the Malpighian corpuscles and Malpighian pyramids of the kidneys and the Malpighian tubule system of insects.

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wikipedia → Marcello Malpighi

inventors riddles

The Rh blood group system was discovered by Karl Landsteiner and Alexander S. Wiener. With whose blood were they experimenting?

Karl Landsteiner

Karl Landsteiner's sick daughter

Prisoners of Auschwitz

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.

Kasia

monkeys riddles

How many baby teeth do humans have?

There are five baby teeth on each side of each jaw. Baby teeth are replaced by permanent teeth from age six to age twelve.

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teeth riddles

What is the name of the second cervical vertebrae in humans?

The cervical spine is made up of 7 vertebrae. The first 2, C1 and C2, are highly specialized and are given unique names: atlas and axis, respectively. By the atlanto-axial joint, it forms the pivot upon which the first cervical vertebra (the atlas), which carries the head, rotates.

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wikipedia → Axis (anatomy)

Human riddles

How much skin do we lose each day?

1.5 g of the epidermis falls out of the body daily. Exfoliated epidermis feed mites and other microorganisms.

skin riddles

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Anatomy quiz