Do sharks have any bones in their body?

Do sharks have any bones in their body?

Skeleton. Shark skeletons are very different from those of bony fish and terrestrial vertebrates. Sharks and other cartilaginous fish (skates and rays) have skeletons made of cartilage and connective tissue. Cartilage is flexible and durable, yet is about half the normal density of bone.

Why is it called the Lone Star State?

Texas is nicknamed the Lone Star State to signify Texas as a former independent republic and as a reminder of the state’s struggle for independence from Mexico. The “Lone Star” can be found on the Texas state flag and on the Texas state seal today.

Why is it called a pineapple?

The term “pine cone” for the reproductive organ of conifer trees was first recorded in 1694. When European explorers discovered this tropical fruit in the Americas, they called them “pineapples” (first so referenced in 1664 due to resemblance to what is now known as the pine cone).

Which president married his cousin?

In 1905, Franklin Delano Roosevelt married Eleanor, his fifth cousin once removed. Eleanor did not have to change her name upon marrying, since her maiden name was also Roosevelt. Her father, Elliot, was the brother of former President Theodore Roosevelt.

How long is the Indy 500 track?

The Indianapolis 500 is held annually at the Indianapolis Motor Speedway, a 2.5 mile oval circuit. The race consists of 200 laps, run counterclockwise around the circuit, for a distance of 500 miles. Since its inception in 1911, the race has always been scheduled on or around Memorial Day.

Where did the new york jets get their name?

New York Jets (1960-Present) Nickname: Named in 1963 after the Jets that flew overhead at Shea Stadium, their home starting in 1964 from nearby LaGuardia Airport. It also gave them a name that rhymed with Mets, who they shared Shea Stadium with at the time.

Who wrote the original jungle book?

The Jungle Book (1894) is a collection of stories by English author Rudyard Kipling. The stories were first published in magazines in 1893–94.

Are ml and cc the same?

The liter is derived from the definition of the meter and decimeter (see image below). The decimeter is 10 centimeters so 1 liter equals 1 cubic decimeter. It is useful to know that the milliliter is the same size volume as the cubic centimeter or cc that is to say 1 mL = 1 cc.