Liquid and soluble wastes such as urea, ions, and water are removed from the body as sweat and urine. Solid and insoluble wastes are removed from the body as feces. Carbon dioxide is removed from the body by the lungs when we exhale. Waste removal is one of the ways the body maintains homeostasis.
Waste are of two types, biodegradable and non-biodegradable.
In the stricter sense of the term, human waste is in fact human excreta, i.e. urine and faeces, with or without water being mixed in. For example, dry toilets collect human waste without the addition of water.
The main waste products are Urea and Uric acid. They are removed from the kidneys in the form of urine. Other waste products are excess water is removed from the skin in the form of sweat, and carbon dioxide is removed from the lungs.
garbage; refuse. wastes, excrement. not used or in use: waste energy; waste talents. (of land, regions, etc.)
More about Types of Solid Wastes:
Household Hazardous Waste (HHW) - Proper Management of Household Hazardous Waste. Construction and Demolition Debris - Information on Construction and Demolition Debris. Industrial/Commercial Waste - Information of Industrial/Commercial Waste.
The major components are food waste, paper, plastic, rags, metal and glass, although demolition and construction debris is often included in collected waste, as are small quantities of hazardous waste, such as electric light bulbs, batteries, automotive parts and discarded medicines and chemicals.
Cigarette butts — whose filters contain tiny plastic fibers — are the most common type of plastic waste found in the environment. Food wrappers, plastic bottles, plastic bottle caps, plastic grocery bags, plastic straws, and stirrers are the next most common items.
Food is the most common form of waste, accounting for almost 50 percent of global MSW. Millions of tons of food is wasted every year, especially fruit and vegetables. Much like other waste forms, the United States is a major producer of food waste, generating almost 100 million metric tons of food waste every year.
The two kinds of waste are - Biodegradable waste and non-biodegradable waste. The biodegradable waste is easily converted into simpler forms with the help of microbes and is used as manure. Whereas, non-biodegradable wastes cannot be converted into simpler forms but can be recycled.
Under the lean manufacturing system, seven wastes are identified: overproduction, inventory, motion, defects, over-processing, waiting, and transport.
'Waste' is any unwanted or unuseful material. These are objects that have been discarded since these materials aren't functioning anymore. Waste can be in any form (liquid, solid or gas), although generally, waste is solid. There are various types of wastes like unwanted food, torn clothes, kitchen waste, etc.
You remove waste as a gas (carbon dioxide), as a liquid (urine and sweat), and as a solid. Excretion is the process of removing wastes and excess water from the body.
The large intestine eliminates solid wastes that remain after the digestion of food. The liver breaks down excess a mino acid s and toxins in the blood. The skin eliminates excess water and salts in sweat. The lungs exhale water vapor and carbon dioxide.
Skin Waste Removal
Skin has sweat glands that secrete a fluid waste called perspiration. Perspiration, or sweat, is a fluid consisting primarily of water, as well as various dissolved solid wastes, that is excreted by the sweat glands.
Urea, uric acid, and creatinine are the most important organic compounds. Urea is a byproduct of the liver's conversion of ammonia and carbon dioxide into urea. These compounds are known as waste products, and they must be removed from the body as soon as possible since they are potentially hazardous.
Some of the specific waste products that must be excreted from the body include carbon dioxide from cellular respiration , ammonia and urea from protein catabolism, and uric acid from nucleic acid catabolism.
You remove waste as a gas (carbon dioxide), as a liquid (urine and sweat), and as a solid. Excretion is the process of removing wastes and excess water from the body.
The excretory system is in charge of removing all metabolic wastes from the body. The human excretory system consists of organs that aid in the elimination of nitrogenous wastes from the body. A pair of kidneys, a pair of ureters, a bladder of urine, and the urethra are organs of the human excretory system.
Materials eliminated via the kidney include nitrogenous waste products (ammonia, uric acid, urea, creatine, creatinine, and amino acids), excess quantities of salts and water that may be taken into the body, and various other organic materials produced by life-sustaining chemical reactions.
Skin Waste Removal
Skin has sweat glands that secrete a fluid waste called perspiration. Perspiration, or sweat, is a fluid consisting primarily of water, as well as various dissolved solid wastes, that is excreted by the sweat glands.