Interesting Facts about Lungs


The human body is an association of many organs and all have them play an important role in the function of the body. To be healthy and active we have to take care of all these organs. Our body needs the entire organ to work properly in order for a better life. In this article, we will talk about interesting facts about lungs.

interesting facts about lungs

Pumping Blood

Our heart needs to pump blood accurately, our brain has to look after the proper functioning of the body as well as it supports in our day-to-day progress, so as the function of lungs, which is an organ that allows us to breathe air.


Because of the lungs, our body gets oxygen, which is its main function, and it separates toxic substances like carbon dioxide that are produced by our cells. Lungs are larger as compared to other organs of the body. Let us know about some interesting facts about lungs, which work every second to keep us alive.

Size of lungs

There are two lungs in the body, which are located in your chest behind the ribs. However, the interesting fact about lungs is that they look similar and they are in the set of two but they are not the same size.

The reason behind the difference in their size is to make a place for the heart. Ribs are for the protection of lungs and heart as they are soft and if not protected any small hurting might damage them.

There is a dome-shaped muscle, which is called diaphragm it is located just below the lungs. This muscle contracts or shrinks at the time of breath in and it regains its original shape at the time of breath out, if this muscle will not work properly then you may feel harder breathing.

Tubes in Lungs

Tubes are present which connects the mouth to the inside of the lungs. One of them is a trachea in your throat, which is also called the windpipe. This leads to bronchi and it then splits too many tiny tubes, which are called bronchioles.


Bronchi generate about 30,000 bronchioles in your lungs.  There are little sacks at the end of each bronchiole, which are called alveoli. They extend and relax during each breathes this is the place where oxygen enters the blood and carbon dioxide takes exist from the blood.

Hairs inside Lungs

The total count of alveoli in your lungs reaches up to the counting of 600 million. There are small little hairs in the lungs, which are called mucous. These mucous are helpful in catching the dust, dirt, and bacteria, which enters your body with the air you inhale.

Length of Lungs

Let us know some more interesting facts about lungs, they are 25-35cm long, 10-15cm wide its weighs about 0.8-1.2kg in an adult. Healthy lungs look pink in color but the lungs of smokers are black and dull because they get damaged by smoking. Because of the lungs, we can breathe 23,000 times a day.

Lungs float in water

There is something in interesting facts about lungs, which is that it can float in water, and other than lungs, none of the organs of the body can float in water. Lungs can suffer from diseases like asthma, bronchitis, emphysema, pneumonia, and tuberculosis. However, a dreadful disease, which is caused by smoking, is lung cancer. Tar fills in the lungs because of cigarette smoking, which results in lung cancer.

human body lungs

Lungs are playing an important role while we talk. There is an organ called larynx, which is present just above the trachea (windpipe) which also has the other name that is voice box.

It contains your vocal cords two little ridges, which open, or close, they allow you to make low as well as high pitch sounds. It is upon you that how much amount of air you force through the vocal cord, which affects the pitch of sound and volume of the sound.

The brain manages the speed of breathing; it confirms the amount of oxygen in the blood and the amount of carbon dioxide which comes out from cells as waste and then the brain decides for lungs that how fast it must breathe according to this information. Breathing level varies according to the activity of the body like in sleeping, walking, running or exercising. The breathing level differs in all these activities. It is also an interesting fact about lungs.

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