FACTS ON FARTS

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Where does fart gas come from?

The gas in our intestines comes from several sources: air we swallow, gas seeping into our intestines from our blood, gas produced by chemical reactions in our guts, and gas produced by bacteria living in our guts.

 

What is fart gas made of?

The composition of fart gas is highly variable.
Most of the air we swallow, especially the oxygen component, is absorbed by the body before the gas gets into the intestines. By the time the air reaches the large intestine, most of what is left is nitrogen. Chemical reactions between stomach acid and intestinal fluids may produce carbon dioxide, which is also a component of air and a product of bacterial action. Bacteria also produce hydrogen and methane.
But the relative proportions of these gases that emerge from our anal opening depend on several factors: what we ate, how much air we swallowed, what kinds of bacteria we have in our intestines, and how long we hold in the fart.
The longer a fart is held in, the larger the proportion of inert nitrogen it contains, because the other gases tend to be absorbed into the bloodstream through the walls of the intestine.
A nervous person who swallows a lot of air and who moves stuff through his digestive system rapidly may have a lot of oxygen in his farts, because his body didn’t have time to absorb the oxygen.

What makes farts stink?

The odor of farts comes from small amounts of hydrogen sulfide gas and mercaptans in the mixture. These compounds contain sulfur. Nitrogen-rich compounds such as skatole and indole also add to the stench of farts. The more sulfur-rich your diet, the more sulfides and mercaptans will be produced by the bacteria in your guts, and the more your farts will stink. Foods such as cauliflower, eggs and meat are notorious for producing smelly farts, whereas beans produce large amounts of not particularly stinky farts.

Why do farts make noise?

The sounds are produced by vibrations of the anal opening. Sounds depend on the velocity of expulsion of the gas and the tightness of the sphincter muscles of the anus. Contrary to a popular misconception, fart noise is not generated by the flapping of the butt cheeks.

How much gas does a normal person pass per day?

On average, a person produces about half a liter of fart gas per day, distributed over an average of about fourteen daily farts.

Why do farts come out of your butt?

The butt is the location of the anus in humans, and by definition, a fart is an anal escape of intestinal gas. We should be grateful that we are not crinoids. The crinoid is a marine creature with a U-shaped gut, and its anus is located next to its mouth.

How long does it take fart gas to travel to someone else’s nose?

Fart travel time depends on atmospheric conditions such as humidity, temperature and wind speed and direction, the molecular weight of the fart particles, and the distance between the fart transmitter and the fart receiver. Farts also disperse (spread out) as they leave the source, and their potency diminishes with dilution. Generally, if the fart is not detected within a few seconds, it will be too dilute for perception and will be lost into the atmosphere forever.
Exceptional conditions exist when the fart is released into a small enclosed area such as an elevator, a small room, or a car. These conditions limit the amount of dilution possible, and the fart may remain in a smellable concentration for a long period of time, until it condenses on the walls.

Why is there a 13 to 20 second delay between farting and the time it starts to smell?

Actually, the fart stinks immediately upon emergence, but it takes several seconds for the odor to travel to the farter’s nostrils. If farts could travel at the speed of sound, we would smell them almost instantly, at the same time we hear them.

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Is it true that some people never fart?

No, not if they’re alive. People even fart shortly after death.

Do men’s farts smell worse than women’s farts?

Scientific studies of farts show that women’s farts have a higher concentration of odor-causing gases than men’s farts, but men’s farts have a larger volume. The two factors equalize out (the same number of stench molecules for both), so the odor is about the same.

Is it harmful to hold in farts?

There is no particular harm in holding in farts. Farts will not poison you; they are a natural component of your intestinal contents. The worst thing that can happen is that you may get a stomach ache from the gas pressure. But one doctor suggested that pathological distention of the bowel could result if a person holds in farts too much. And Dr. P. said that the effort involved in retaining flatus can cause hemorrhoids.

Where do farts go when you hold them in?

How often have you held in a fart, intending to release it at the first appropriate opportunity, only to find that the fart has disappeared when you are ready for it?
I asked several doctors where the fart goes. Does it leak out slowly without the person knowing it? Is it absorbed into the bloodstream? What happens to it?
The doctors agree that the fart is neither released nor absorbed. It simply migrates back upward into the intestine and comes out later.
It is reassuring to know that such farts aren’t really lost, just delayed.

Is it normal for dogs to like the smell of human farts?

Yes, any odor that we find disgusting smells delicious to a dog. Dogs respond to the smell of farts, rotting fish, and carrion the same way we respond to the smell of bacon frying or cookies baking. A dog will often sniff the butt of the farter in order to inhale as much of the odor as possible.
I have heard only one story about a dog being disconcerted by a fart. According to a friend, her brother once delivered a fart so evil that it made the dog sneeze, shake his head, and paw at his nose. That was either an unusual fart or an unusual dog.

What would happen if someone farted on Venus?

If Venus’s surface temperature were a mere 200 to 300 degrees Fahrenheit, liquid water could exist there because of Venus’s extremely high atmospheric pressure. But the temperature on Venus is almost 900 degrees Fahrenheit. Because humans are mostly water, a person would not simply emit gas on Venus, but would become gas, a whole-body fart. Venus already has a lot of sulfur compounds in its atmosphere, so a fart on Venus probably wouldn’t even produce much of a smell.

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About LWJ

A doctor in Hospital Sultanah Aminah Johor Bahru (HSAJB).