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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. Renal physiology - Wikipedia

    en.wikipedia.org/wiki/Renal_physiology

    The lungs contribute to acid-base homeostasis by regulating carbon dioxide (CO 2) concentration. The kidneys have two very important roles in maintaining the acid-base balance: to reabsorb and regenerate bicarbonate from urine, and to excrete hydrogen ions and fixed acids (anions of acids) into urine.

  4. Circulatory system - Wikipedia

    en.wikipedia.org/wiki/Circulatory_system

    In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [ 1 ] [ 2 ] It includes the cardiovascular system , or vascular system , that consists of the heart and blood vessels (from Greek kardia meaning heart , and Latin vascula meaning vessels ).

  5. Kidney (vertebrates) - Wikipedia

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

    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.

  6. 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 ...

  7. Renal compensation - Wikipedia

    en.wikipedia.org/wiki/Renal_compensation

    Renal compensation is a mechanism by which the kidneys can regulate the plasma pH. It is slower than respiratory compensation, but has a greater ability to restore normal values. Kidneys maintain the acid-base balance through two mechanisms: (1) the secretion of H + ions into the urine (from the blood) and (2) the reabsorption of bicarbonate ...

  8. Renin–angiotensin system - Wikipedia

    en.wikipedia.org/wiki/Renin–angiotensin_system

    Locally expressed renin–angiotensin systems have been found in a number of tissues, including the kidneys, adrenal glands, the heart, vasculature and nervous system, and have a variety of functions, including local cardiovascular regulation, in association or independently of the systemic renin–angiotensin system, as well as non ...

  9. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    Despite their relatively small size, the kidneys receive approximately 20% of the cardiac output. [ 1 ] Each renal artery branches into segmental arteries, dividing further into interlobar arteries , which penetrate the renal capsule and extend through the renal columns between the renal pyramids.