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  2. Oxygen–hemoglobin dissociation curve - Wikipedia

    en.wikipedia.org/wiki/Oxygenhemoglobin...

    Hemoglobin (Hb) is the primary vehicle for transporting oxygen in the blood. Each hemoglobin molecule has the capacity to carry four oxygen molecules. These molecules of oxygen bind to the globin chain of the heme prosthetic group. [1] When hemoglobin has no bound oxygen, nor bound carbon dioxide, it has the unbound conformation (shape). The ...

  3. Hemoglobin - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin

    Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers an animal's metabolism. A healthy human has 12 to 20 grams of hemoglobin in every 100 mL of blood. Hemoglobin is a metalloprotein, a chromoprotein, and ...

  4. Hemoglobin A - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_A

    Hemoglobin A (HbA), also known as adult hemoglobin, hemoglobin A1 or α 2 β 2, is the most common human hemoglobin tetramer, accounting for over 97% of the total red blood cell hemoglobin. [1] Hemoglobin is an oxygen-binding protein, found in erythrocytes , which transports oxygen from the lungs to the tissues. [ 2 ]

  5. Heme - Wikipedia

    en.wikipedia.org/wiki/Heme

    Heme D is the site for oxygen reduction to water of many types of bacteria at low oxygen tension. [24] Heme S is related to heme B by having a formyl group at position 2 in place of the 2-vinyl group. Heme S is found in the hemoglobin of a few species of marine worms.

  6. Haldane effect - Wikipedia

    en.wikipedia.org/wiki/Haldane_effect

    This amount of carbaminohemoglobin formed is inversely proportional to the amount of oxygen attached to hemoglobin. Thus, at lower oxygen saturation, more carbaminohemoglobin is formed. These dynamics explain the relative difference in hemoglobin's affinity for carbon dioxide depending on oxygen levels known as the Haldane effect. [2]

  7. Blood - Wikipedia

    en.wikipedia.org/wiki/Blood

    Hemoglobin has an oxygen binding capacity between 1.36 and 1.40 ml O 2 per gram hemoglobin, [23] which increases the total blood oxygen capacity seventyfold, [24] compared to if oxygen solely were carried by its solubility of 0.03 ml O 2 per liter blood per mm Hg partial pressure of oxygen (about 100 mm Hg in arteries).

  8. Blood cell - Wikipedia

    en.wikipedia.org/wiki/Blood_cell

    Hemoglobin is an iron-containing protein that gives red blood cells their color and facilitates transportation of oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs to be exhaled. [3] Red blood cells are the most abundant cell in the blood, accounting for about 40-45% of its volume.

  9. Fick principle - Wikipedia

    en.wikipedia.org/wiki/Fick_principle

    Measuring the content of hemoglobin in the blood and the percentage of saturation of hemoglobin (the oxygen saturation of the blood) is a simple process and is readily available to physicians. Using the fact that each gram of hemoglobin can carry 1.34 mL of O 2 , the oxygen content of the blood (either arterial or venous) can be estimated by ...

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