10 most difficult human anatomy riddlesHuman anatomy quiz
Which reptile subgroup is considered extinct?
None of the above are extinct
Synapsids were the largest terrestrial vertebrates in the Permian period, 299 to 251 million years ago, although some of the larger pareiasaurs at the end of Permian could match them in size.
What was included in the original Pepsi-Cola recipe?
coke from coal
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.
People have usually two kidneys. How are these located?
the left kidney is located higher
the right kidney is located higher
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.
Which of the following hormones is secreted by the kidneys?
Erythropoietin is secreted by the kidney in response to cellular hypoxia, and stimulates red blood cell production in the bone marrow. The other three are secreted by the adrenal gland.
Which enzyme is responsible for the breakdown of fats in duodenum?
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.
Where can we find a bundle of His?
in heart of
in fiber optics
The bundle of His is a collection of heart muscle cells specialized for electrical conduction. As part of the heart, it transmits the electrical impulses from the AV node which provide electrical conduction to the ventricles, causing the cardiac muscle of the ventricles to contract at a paced interval.
Where is Wharton's jelly found?
in the umbilical cord
in the brain
in aloe (plant)
Wharton's jelly (substantia gelatinea funiculi umbilicalis) is a gelatinous substance within the umbilical cord also present in vitreous humor of the eyeball, largely made up of mucopolysaccharides. It is named for the English physician and anatomist Thomas Wharton who first described it in his publication Adenographia, or "The Description of the Glands of the Entire Body", first published in 1656