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  2. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    The two organ systems that help regulate the body's acid–base balance are the kidneys and lungs. Acid–base homeostasis is the maintenance of pH around a value of 7.4. The lungs are the part of respiratory system which helps to maintain acid–base homeostasis by regulating carbon dioxide (CO 2) concentration in the blood. The respiratory ...

  3. Human anatomy - Wikipedia

    en.wikipedia.org/wiki/Human_anatomy

    Superficial anatomy of female and male human body Surface projections of the major organs of the trunk, using the vertebral column and rib cage as main reference points of superficial anatomy Superficial anatomy or surface anatomy is important in human anatomy being the study of anatomical landmarks that can be readily identified from the ...

  4. Outline of human anatomy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_human_anatomy

    Human anatomy is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy . Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision.

  5. Abdominal cavity - Wikipedia

    en.wikipedia.org/wiki/Abdominal_cavity

    The abdominal cavity is a large body cavity in humans [1] and many other animals that contain organs.It is a part of the abdominopelvic cavity. [2] It is located below the thoracic cavity, and above the pelvic cavity.

  6. Organ system - Wikipedia

    en.wikipedia.org/wiki/Organ_system

    Main article: List of systems of the human body. Nervous system in a human body. There are 11 distinct organ systems in human beings, [2] which form the basis of human anatomy and physiology. The 11 organ systems: the respiratory system, digestive and excretory system, circulatory system, urinary system, integumentary system, skeletal system ...

  7. Kidney (vertebrates) - Wikipedia

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

    The nephrons of the mammalian kidneys have loops of Henle, which are the most efficient way to reabsorb water and produce concentrated urine to conserve water in the body. [12] The mammalian kidneys combine both nephrons with a short and nephrons with a long loop of Henle. [77] The medulla is divided into outer and inner regions.

  8. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    The regulation of the acid-base balance through the bicarbonate buffer system is provided by the lungs and kidneys. [148] The lungs regulate CO 2 (carbon dioxide) level, while the kidneys regulate HCO 3 − and H + (bicarbonate and hydrogen ions). [149] The kidneys play a key role in maintaining a constant level of acid-base balance in mammals ...

  9. Urinary system - Wikipedia

    en.wikipedia.org/wiki/Urinary_system

    The human urinary system, also known as the urinary tract or renal system, consists of the kidneys, ureters, bladder, and the urethra.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.