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  2. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    The kidneys have two cells that help to maintain acid-base homeostasis: intercalated A and B cells. The intercalated A cells are stimulated when the body is experiencing acidic conditions. Under acidic conditions, the high concentration of CO 2 in the blood creates a gradient for CO 2 to move into the cell and push the reaction HCO 3 + H ↔ H ...

  3. Urinary system - Wikipedia

    en.wikipedia.org/wiki/Urinary_system

    This is an accepted version of this page This is the latest accepted revision, reviewed on 13 November 2024. This article is about the human urinary system. For urinary systems of other vertebrates, see Urinary systems of birds, urinary systems of reptiles, and urinary systems of amphibians. Anatomical system consisting of the kidneys, ureters, urinary bladder, and the urethra Urinary system 1 ...

  4. Excretory system - Wikipedia

    en.wikipedia.org/wiki/Excretory_system

    Humans have two kidneys that are supplied with blood from the renal artery. The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. This is done with the help of millions of nephrons present in the kidney.

  5. The Common Habit That Could Be Damaging Your Kidneys ... - AOL

    www.aol.com/common-habit-could-damaging-kidneys...

    The human body has two kidneys located just below the ribcage, to the right and left of the spine. ... one of which helps produce red blood cells and the other is the active form of vitamin D and ...

  6. Duplicated ureter - Wikipedia

    en.wikipedia.org/wiki/Duplicated_ureter

    Duplicated ureter or duplex collecting system is a congenital condition in which the ureteric bud, the embryological origin of the ureter, splits (or arises twice), resulting in two ureters draining a single kidney. It is the most common renal abnormality, occurring in approximately 1% of the population.

  7. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    The unipapillary kidney with a single renal pyramid is the simplest type of kidney in mammals, from which the more structurally complex kidneys are believed to have evolved. [ 17 ] [ 6 ] [ 18 ] Differences in kidney structure are the result of adaptations during evolution to variations in body mass and habitats (in particular, aridity ) between ...

  8. Numerous factors can cause kidney disease. Here are the ... - AOL

    www.aol.com/numerous-factors-cause-kidney...

    The human body has 78 organs and each one performs a variety of important functions. ... Most people are born with two kidneys, but some individuals don't know what function or purpose they serve ...

  9. Kidney (vertebrates) - Wikipedia

    en.wikipedia.org/wiki/Kidney_(vertebrates)

    Unlike mammals, the kidneys of reptiles do not have a clear distinction between cortex and medulla. [43] The kidneys lack the loop of Henle, have fewer nephrons (from about 3,000 to 30,000), and cannot produce hypertonic urine. [3] [21] Nitrogenous waste products excreted by the kidneys may include uric acid, urea and ammonia. [55]