Do insects have lungs?

Do insects have lungs?

Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect’s abdomen. The air then diffuses down the blind-ended tracheae. Since the biggest bugs have the longest tracheae, they should need the most oxygen to be able to breathe.

Which state is Starbucks from?

The first Starbucks opened in Seattle, Washington, on March 30, 1971, by three partners who met while they were students at the University of San Francisco: English teacher Jerry Baldwin, history teacher Zev Siegl, and writer Gordon Bowker.

What musical instrument does Sherlock Holmes play for relaxation?

In Arthur Conan Doyle’s story The Cardboard Box, it transpires that Sherlock Holmes owns and plays a violin made by Antonio Stradivarius himself.

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Platelets are cells that clump together and help to form blood clots. Aspirin keeps platelets from clumping together, thus helping to prevent or reduce blood clots. During a heart attack. Blood clots form in an already-narrowed artery and block the flow of oxygen-rich blood to the heart muscle.

When was the first regular TV broadcast in the United States?

Profile America — Thursday, May 12th. This week marks the anniversary of the first regularly scheduled television broadcasts — and the date may surprise you. They were made in 1928 and originated from radio station WGY in Schenectady, New York.

What organs can regenerate themselves?

The liver is the only human internal organ capable of natural regeneration of lost tissue; as little as 25% of a liver can regenerate into a whole liver. Regeneration is very rapid. The liver will return to a normal size in one to two weeks following the removal of greater than 50% of the liver by mass.

Why do lakes freeze from the top down rather than the bottom up?

The reason why ice forms on the top of lakes and ponds is that once water cools below 39 degrees Fahrenheit, it becomes lighter and less dense the more it cools. This means that water expands as it freezes into ice. As a result, ice takes up more room than the water it was made from.

Why is it called a hat trick?

A hat trick originally meant three goals in a row, with no intervening goals by either team. Hockey borrowed the term from Cricket. In 1858, a cricket player in England took three wickets with consecutive balls, an incredible trick. As a reward, his club gave the bowler a new hat, hence the term “hat trick.”