Homeostasis A state of balance in the body Whoa Homeostasis “the tendency of a system‚ esp. the physiological system of higher animals‚ to maintain internal stability‚ owing to the coordinated response of its parts to any situation or stimulus tending to disturb its normal condition or function” - Dictionary.com Unabridged (v 1.1) “The ability or tendency of an organism or a cell to maintain internal equilibrium by adjusting its physiological processes.” - American Heritage Stedman’s Medical
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Background: As members of the class Amphibia‚ frogs may live some of their adult lives on land‚ but they must return to water to reproduce. Eggs are laid and fertilized in water. On the outside of the frog’s head are two external nares‚ or nostrils; two tympani‚ or eardrums; and two eyes‚ each of which has three lids. The third lid‚ called the nictitating membrane‚ is transparent. Inside the mouth are two internal nares‚ or openings into the nostrils; two vomerine teeth in the middle of the roof
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urinate up to seven times during the day. Urination occurs through the urinary system‚ which consists of the kidneys‚ ureters‚ bladder‚ and the urethra. The beginning of the urinary track starts with the kidneys‚ which filters blood to remove wasteful substances. That waste will combine with extra water to make urine. Then‚ the urine will travel through two tubes called the ureters‚ leading it to enter the bladder. The bladder is the sack that holds the urine until the time to urinate comes. The smooth
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nephrons)‚ two ureters‚ one bladder‚ one urethra‚ arteries and veins. The Ureter connects the kidney to the bladder. The bladder is storage for urine. Urine is excreted to the outside of the body through the urethra. Kidney The kidneys are two bean-shaped organs located outside the peritoneum at the posterior of the upper abdomen. The kidneys are located one on each side of the vertebral columns and are protected by the ribs and a layer of fat. The renal artery‚ renal vein and ureter connect to the
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occur. The urinary system consists of the kidneys‚ ureters‚ bladder‚ and urethra. The key elements in the system are the kidneys‚ a pair of purplish-brown organs located below the ribs toward the middle of the back. The kidneys remove excess liquid and wastes from the blood in the form of urine‚ keep a stable balance of salts and other substances in the blood‚ and produce a hormone that aids the formation of red blood cells. Narrow tubes called ureters carry urine from the kidneys to the bladder‚ a triangle-shaped
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The reproductive system is a collection of internal and external organs (male and female) that work together for the purpose of recreating. Many scientists argue that the reproductive system is the most important system in the body. Without the reproductive system we would not be able to reproduce. 1 For the male reproductive system there are two major parts: testes‚ where the sperm is produced and the penis. In males the penis and urethra belong to both the urinary system and reproductive system
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part of the urinary tract is infected. The infection can be in the bladder‚ kidneys‚ ureters‚ or the urethra. If the infection is in the bladder it is called cystitis or a bladder infection. If the infection is in the kidneys is it called pyelonephritis or a kidney infection. If the infection is in the urethra it is called urethritis. Most urinary tract infections are bladder infections. Infections in the ureters are very rare. UTIs are caused by germs‚ usually bacteria that enter the urethra and
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protection from the lower part of the rib cage. Because the liver crowds it‚ the right kidney is positioned slightly lower than the left. It is convex laterally and has a medial indentation called the renal bilum. Several structures‚ including the ureters‚ the renal blood vessels‚ and nerves‚ enter or exit the kidney at the hilum. A transparent fibrous capsule encloses each kidney and gives a fresh kidney a glistening appearance. A fatty mass‚ the perineal fat capsule surrounds each kidney and acts
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EXCRETION Excretion is the removal of unwanted substances such as toxic materials and wastes products of metabolism from organisms. These unwanted substances can be :- 1. Waste products from body metabolism (chemical reactions in the body). 2. Excess water and salts taken in with the diet. 3. Spent hormones. 4. Drugs and other foreign substances. Excretion occurs in specialized organs of the body called the excretory organs. There are two excretory organs in human body :- a) Lungs b)
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A Nursing Case Study on Chronic Renal Failure In Partial Fulfilment of the Requirements in NCM-102 CRITERIA Introduction and Implications - 5% Objective - 5% Developmental Data - 5% Physical Assessment - 10% History - 5% Anatomy and Physiology - 5% Pathophysiology - 10% Interpretations - 5% Drug Studies - 5% Nursing Management - 20% Health Teachings - 5% Format - 5% Punctuality - 10% Reference - 5% _________________ TOTAL:
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