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Our Internal Organs Essay Sample, ExampleHuman beings have eight main internal organs. These include the brain, lungs, liver, kidneys, bladder, heart, stomach, and intestines. Each one has different functions and some are more important than others. However, if one of these organs would be removed from a person, living would be difficult. Anyways, in the following paragraphs, the functions of each of these organs will be explained in detail.

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The brain is perhaps our most essential organ that differentiates us from other animals. According to the Department of Education and Training Victoria, “The brain is the control centre of the nervous system and is located within the skull. Its functions include muscle control and coordination, sensory reception and integration, speech production, memory storage, and the elaboration of thought and emotion” (“Internal Body Organs”). So, without our brain, we could not move, think, or control our body in any shape or form.

Though the brain seems essential, the lungs can be said to be equally important. Without a set of lungs, we would die within a minute or so. Stated by LiveScience, “The lungs are responsible for removing oxygen from the air we breathe and transferring it to our blood where it can be sent to our cells. The lungs also remove carbon dioxide, which we exhale” (Rettner, Rachel). Basically, the lungs are a filter for our breathing capabilities and for things that are harmful to us in the air.

Another filter for our body is the liver. However, this organ also functions as more than that. According to WebMD, “The liver’s main job is to filter the blood coming from the digestive tract, before passing it to the rest of the body. The liver also detoxifies chemicals and metabolizes drugs. As it does so, the liver secretes bile that ends up back in the intestines. The liver also makes proteins important for blood clotting and other functions” (Hoffman, Matthew). Without having a liver or it working well, we would get ill in a snap.

A normal human being has two kidneys, and a person can live with just one. However, this does not lessen the importance of this organ. Based on information from the U.S. Department of Health and Human Services, “Your kidneys remove wastes and extra fluid from your body. Your kidneys also remove acid that is produced by the cells of your body and maintain a healthy balance of water, salts, and minerals—such as sodium, calcium, phosphorus, and potassium—in your blood” (“Your Kidneys & How They Work”). So, the kidneys are filters and a balancer that accompanies its cousin, the liver.

Not as essential as other organs, the bladder gathers urine, which is created in the kidneys. Without the bladder sac—which is about the size of a pear without being filled—we would be peeing more frequently. The bladder allows us to urinate infrequently (“Picture of the Bladder”).

Back to important organs, the heart, according to Medical News Today, “…beats 100,000 times a day, pushing 5,000 gallons of blood through our body every 24 hours. It delivers oxygen- and nutrient-rich blood to our tissues and carries away waste” (Newman, Tim). If our heart stops, we will die in a matter of minutes.
Now we move onto the stomach. As we might know, its priority is to digest the food we consume. After being digested by being broken down, our food is turned into a liquid (“Internal Body Organs”).

Lastly, we have the intestines. There is a small intestine and a large intestine. The small one takes in ingested food, while the large one absorbs water and sends off waste (“Internal Body Organs”).

With these eight organs, our body functions properly. Take out one of them, and maybe we can survive with difficulty, such as a kidney. But the best thing we can do is to take care of our organs by eating the right food, seeing a doctor often, and not taking in any harmful substances.

Works Cited

“Internal Body Organs.” Department of Education and Training Victoria,

Rettner, Rachel. “The Human Body: Anatomy, Facts & Functions.” LiveScience.

Hoffman, Matthew. “Picture of the Liver.” WebMD, WebMD,

“Your Kidneys & How They Work.” National Institute of Diabetes and Digestive and Kidney Diseases, U.S. Department of Health and Human Services, 1 June 2018,

Hoffman, Matthew. “Picture of the Bladder.” WebMD, WebMD,

Newman, Tim. “The Heart: Anatomy, Physiology, and Function.” Medical News Today, MediLexicon International,

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