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For a young and healthy human; 20000 times per second.

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10y ago

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Continue Learning about Natural Sciences

How many times smaller than a human hair is an atom?

Atoms are more then a million times smaller then human hair. Hope that helps =3!!


How can you burst an eardrum?

Too much pressure can rupture an eardrum. For example, I ruptured my brother's eardrum many years ago with one of those pool noodles. We were fighting with them in the pool and I smacked him in the side of the head with it. The force of impact directly over his ear created enough pressure inside of his ear cavity to actually rupture his eardrum. Another thing that can rupture/burst an eardrum is simply sticking something that doesn't belong inside of your ear too deep, physically puncturing the eardrum. Although eardrums can burst, they can also heal. However, the older you get, the more difficult it becomes for your body to repair an eardrum.


Who pumps more blood per minute a giraffe or human?

A giraffe, they, and their hearts, are many times larger than a human and a human heart


How many times can the human organs go around the world?

It is not feasible for human organs to go around the world. The question may refer to the length of blood vessels in an average human body, which can stretch to about 60,000 miles when laid out, theoretically enough to encircle the Earth nearly 2.5 times.


Is the DNA of the smallest human chromosome nearly 10 times as long as many bacterial chromosomes?

Yes, the smallest human chromosome (chromosome 21) is approximately 10 times longer than many bacterial chromosomes. Human chromosomes are large linear structures made up of DNA and associated proteins, whereas bacterial chromosomes are typically smaller, circular DNA molecules.