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by Journal Site (2020-02-17)


The excretion system in humans involves excretions, namely the kidneys, skin, lungs, and liver. Excretion is the process of removing metabolic waste in the form of liquid and gaseous substances. The residual substances in the form of urine (kidney), sweat (skin), bile (liver), and CO2 (lungs). These substances must be removed from the body because if not removed will interfere with even poisoning the body

From Nursing Journal, In human organs form a system commonly referred to as organ systems. Each organ of the body works synergistically by involving a brain and spinal cord as a controller Nursing Medicine Journals. Likewise with the body's excretory organs in humans, each of which works with one another to form a coordination system, if one of the organ systems is disrupted, the other organs are also at risk of being disturbed as well.

Sweat contains water and mineral salts. The lungs are one of the most important organs in animals, especially humans. Humans need to breathe all the time. If humans do not breathe in a long time, then humans will faint or die. Heart is located in the abdominal cavity right below the diaphragm. Dark brownish red heart weighing around 2 kg

From Journal Reviews, Humans have a pair of kidneys located in the right and left abdominal cavity vertebrae. The skin is one of the excretion devices. These substances must be removed from the body because if not removed will interfere with even poisoning the body. In addition to excretion, there is also defecation and secretion. Defecation is the removal of waste products from the digestive process in the form of feces (feces) through the anus. While secretions are expenditures by cells and glands in the form of sap and are still used by the body for other processes such as enzymes and hormones.Because the skin sweat. Sweat comes out through the pores of the skin. Excretion is the process of removing metabolic waste in the form of liquid and gaseous substances. The residual substances in the form of urine (kidney), sweat (skin), bile (liver), and CO2 (lungs).

Definition of the Human Excretion System

Kidney Excretion System

Humans have a pair of kidneys located in the right and left abdominal cavity vertebrae. That's because on the right kidney there is a large liver. Kidney shape such as purplish red bean seeds with a length of about 10 cm and a weight of about 200 grams. Kidney is wrapped by a kind of thin membrane called 'capsule'.The location of the left kidney is higher than the right kidney.

Kidney Excretion System

Kidney Parts

Pelvis: This is where the tubules begin to grow, which is a temporary reservoir of urine that will be drained into the bladder through the ureter and expelled from the body through the urethra.

Glomerulus: A blood filtering place that will filter water, salt, amino acids, glucose, and urea. Produces primary urine.

Bowman capsule: Is a kind of bag / capsule that wraps the glomerulus. Bowman capsules were discovered by Sir William Bowman.

Cortex: This is the part of the kidney that contains malpighi (glomerular and bowman capsule) bodies, proximal tubule and distal tubule.

Nephron: Is a place for filtering blood. In the kidney there are more than 1 million nephrons. 1 nephron consists of the glomerulus, the bowman capsule, proximal contraceptive tubules, henle arches, distal contracular tubules, and collectibular tubules.

Medula: Consists of 9 to 14 pyramid shaped parts. Inside is the henle arch and tubular collector.