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The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body. The dual function of excretory systems is the elimination of the waste products of metabolism and to drain the body of used up ...
Their diet varies enormously throughout their differing areas based on opportunity. [2][3] In spring, winter-provided carrion, grasses, shoots, sedges and forbs are the dietary mainstays for brown bears from almost every part of their distribution. [1] Fruits, including berries, become increasingly important during summer and early autumn.
Excretion. Mammals excrete urine through the urinary system. Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. [1] This is in contrast with secretion, where the substance may have specific tasks after leaving the cell.
The kidneys are a pair of organs of the excretory system in vertebrates, which maintain the balance of water and electrolytes in the body (osmoregulation), filter the blood, remove metabolic waste products, and, in many vertebrates, also produce hormones (in particular, renin) and maintain blood pressure. [1][2][3][4] In healthy vertebrates ...
The purpose of the urinary system is to eliminate waste from the body, regulate blood volume and blood pressure, control levels of electrolytes and metabolites, and regulate blood pH. The urinary tract is the body's drainage system for the eventual removal of urine. [1] The kidneys have an extensive blood supply via the renal arteries which ...
12 Healthy Habits You Can Carry Into Your 80s and 90s. Danny Jensen. December 13, 2023 at 7:20 AM. adamkaz/istockphoto. ... allow the immune system to fight disease and repair damage; and keep us ...
Urine. Urine is a liquid by-product of metabolism in humans and in many other animals. In placental mammals, urine flows from the kidneys through the ureters to the urinary bladder and is ejected from the penis or vulva through the urethra during urination. In other vertebrates, urine is excreted through the cloaca.
Fecal impaction occurs when stool hardens and gets stuck in the colon or rectum, preventing regular bowel movements. Symptoms of this condition include abdominal pain, bloating, nausea, vomiting ...
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