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  2. Blood - Wikipedia

    en.wikipedia.org/wiki/Blood

    The combined surface area of all red blood cells of the human body would be roughly 2,000 times as great as the body's exterior surface. ... of 0.03 ml O 2 per liter ...

  3. Red blood cell - Wikipedia

    en.wikipedia.org/wiki/Red_blood_cell

    Red blood cells are thus much more common than the other blood particles: there are about 4,000–11,000 white blood cells and about 150,000–400,000 platelets per microliter. Human red blood cells take on average 60 seconds to complete one cycle of circulation. [5] [9] [22]

  4. List of human blood components - Wikipedia

    en.wikipedia.org/wiki/List_of_human_blood_components

    60–150 ng/mL Aldosterone: ... Needed for nerve cells, red blood cells, and to make DNA ... per red blood cell 27-32 picograms Hexosephosphate P 1.4-5 ...

  5. Blood cell - Wikipedia

    en.wikipedia.org/wiki/Blood_cell

    Red blood cells are the most abundant cell in the blood, accounting for about 40-45% of its volume. Red blood cells are circular, biconcave, disk-shaped and deformable to allow them to squeeze through narrow capillaries. They do not have a nucleus. Red blood cells are much smaller than most other human cells. RBCs are formed in the red bone ...

  6. Hemodynamics - Wikipedia

    en.wikipedia.org/wiki/Hemodynamics

    Blood is a complex liquid. Blood is composed of plasma and formed elements.The plasma contains 91.5% water, 7% proteins and 1.5% other solutes. The formed elements are platelets, white blood cells, and red blood cells.

  7. Blood volume - Wikipedia

    en.wikipedia.org/wiki/Blood_volume

    The blood volume is 70 ml/kg body weight in adult males, 65 ml/kg in adult females and 70-75 ml/kg in children (1 year old and over). [ 5 ] [ 6 ] Total Blood Volume has been measured manually by the use of carbon monoxide (CO) as a tracer for more than 100 years and was first proposed by French scientists Grehant and Quinquaud in 1882.

  8. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...

  9. Body water - Wikipedia

    en.wikipedia.org/wiki/Body_water

    In Netter's Atlas of Human Physiology (2002), body water is broken down into the following compartments: [6] Intracellular fluid (2/3 of body water) is fluid contained within cells. In a 72 kg (159 lb) body containing 40 litres of fluid, about 25 litres is intracellular, [9] which amounts to 62.5%. Jackson's texts states 70% of body fluid is ...