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Excretory System Facts - Interesting Factual Information about Human Excretory System

  • Contrary to the common notion that excretory system is just limited to the organs, like anus, rectum, large intestine, bladder, kidneys and some other related parts but, as a matter of fact, it also involves skin, lungs and liver as the major organs.
  • An interesting excretory system fact is that the length of intestinal tract in your body has been measured as long as twenty-seven (37) feet, which equals 8.5 meters!
  • It is quite interesting to know that the right kidney in your body, typically, sits a bit lower than its left counterpart.
  • The lung of an average individual measures up to twelve (12) inches in size while the size of kidney is just four (4) inches.
  • The urine holding capacity in the bladder of an average adult is approximately 16 to 24 ounces.
  • Did you very imagine that an average human adult urinates about 3000 times a year?
  • In the entire lifespan, an individual may urinate more than 7.85 trillion gallons of fluid.
  • One of the amazing facts about excretory system is that the amount of bile secreted by your liver, in the lifetime, may weigh as heavy as six-thousand and five-hundred (6,500) ounces!
  • The number of blood filters or nephrons inside your kidney may be as many as 6.487 billion or even more!
  • Weighing approximately three (3) pounds, liver is one of the most vital organs in your body that performs many wonderful functions, such as, synthesis of certain vital substances, detoxification of harmful products, and conversion of compounds from complex to simple and vice versa.
  • A flexible and hollow muscular sac, called bladder, in your body is as large as your brain.
  • Amazing to know that an average human adult sheds from 30,000 to 40,000 skin cells!
  • Kidney, one of the major excretory organs, plays a very important role in the natural purification of your blood, thus extracting the toxins in the form of urine that is then discharged out of the body.
  • In the process of urination, as your bladder is emptied, it gets collapsed, but it is inflated again as more urine enters through the ureters.
  • Lungs also play a vital excretory role in the life of an individual as excess carbon dioxide is eliminated from the body which may, otherwise, lead to severe consequences.
  • The largest excretory organ in your body, namely skin, also plays the role of protective and sensory organ (the sense of touch).
  • The biggest vein (a vessel containing deoxygenated blood) in your body is the one that leads to kidneys.
  • The stones found in your kidneys can move throughout your body while flowing along the blood stream.
  • The color of your urine may be either pale straw or amber, while 95 percent portion of your blood is contributed by the universal solvent ? water.
  • If your urinary fluid contains blood, it might be one of the most common symptoms of kidney cancer; so you need to consult a health care provider, as soon as possible.
  • Though it is surprising to hear that a kidney stone may reach the size of a golf ball, but it is one of the excretory system facts!
  • Though there are two kidneys in your body and both of them have to work, but you can lead a healthy life even if one of the kidneys has been removed!
  • You feel the urge to go to toilet as soon as 300 millimeter of urine is collected in the bladder, but this flexible organ has the capacity to hold 1 liter of fluid.
  • A lot of hard work that your kidneys have to do can be realized from a simple fact that they filter 1.3 liters of blood every minute, thus filtering 78 liters of blood per hour!
  • The urethra in human male is longer than that of a female because in the former, it has to run along the entire length of penis and in the latter, it ends just above the vaginal opening.
  • Can you just imagine, the entire blood content of human body gets filtered and purified within just 45 minutes?
  • More than 11 percent of all deaths in Australia are caused by kidney failure, and as many as two million Australians may be affected by early-stage kidney disease, but they don't even know it!
  • In the period of 24 hours, your blood has to pass through the kidneys as many as 300 times!