Excretion in human beings

Excretion in human beings is the process by which organisms expel metabolic waste products and other toxic substances from their body. Excretion removes unwanted by-products of metabolism, such as urea, uric acid, salt and water. The major excretory organ in human beings is the kidney, which filters the blood and produces urine. The urine is then carried by the ureters to the urinary bladder, where it is stored until it is released through the urethra.

Some other excretory organs in human beings are the skin, lungs and liver. The skin excretes sweat, which contains water, salt and urea. Sweat helps to regulate body temperature and remove excess heat. The lungs excrete carbon dioxide and water vapour, which are the waste products of cellular respiration. The liver excretes bile, which contains bilirubin, cholesterol and bile salts. Bile helps to digest fats and eliminate toxins from the blood.

Excretion is an essential function for maintaining homeostasis and health in human beings. It prevents the accumulation of harmful substances in the body and regulates the balance of fluids and electrolytes. Excretion also plays a role in pH regulation, hormone secretion and blood pressure control.

If you want to learn more about excretion in human beings, you can check out these web pages:

• [Excretory System – Definition, Function & Organs]
• [Human Excretory System]
• [Kidneys (Anatomy): Picture, Function, Conditions, Treatments]
• [Sweat Glands: Definition, Function & Types]
• [Lungs: Facts, Function & Diseases]
• [Liver: Anatomy and Functions]
• [Homeostasis: Definition, Examples & Importance]
• [How Does Excretion Affect Blood Pressure?]

I hope this answer was helpful for you. 😊