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  1. Components of blood (article) | Khan Academy

    Blood, by definition, is a fluid that moves through the vessels of a circulatory system. In humans, it includes plasma (the liquid portion), blood cells (which come in both red and white varieties), and cell …

  2. What's inside of blood? (video) | Khan Academy

    Spin down your blood and find out what it's made up of. This video provides a detailed look at the composition of blood, explaining the roles of plasma, white blood cells, and red blood cells.

  3. Blood (video) | Animal tissues | Khan Academy

    Blood transports nutrients, gases, and wastes across the body, thanks to its specialised components. We’ll learn about the composition of blood, its key functions, and the roles of red blood cells (RBCs), …

  4. What's inside of blood? (video) | Khan Academy

    This video provides a detailed look at the composition of blood, explaining the roles of plasma, white blood cells, and red blood cells. It also discusses the process of centrifugation, the concept of …

  5. Components of blood (practice) | Blood | Khan Academy

    This exercise has questions about the components of blood - plasma, RBCs, WBCs, and platelets.

  6. Tubular reabsorption article - Khan Academy

    The amount of sodium in the fluid influences its volume, which in turn determines blood volume and blood pressure. Most of the solute reabsorbed in the proximal tubule is in the form of sodium …

  7. Carbohydrates (article) | Chemistry of life | Khan Academy

    This composition gives carbohydrates their name: they are made up of carbon (carbo -) plus water (- hydrate). Carbohydrate chains come in different lengths, and biologically important carbohydrates …

  8. La composition du sang (leçon) | Khan Academy

    La fibrine forme des fils qui renforcent la prise des plaquettes, créant ainsi un caillot pour empêcher le sang de continuer à couler. _Image modifiée de Components of the blood: Figure 4, par OpenStax …

  9. Componentes de la sangre (artículo) | Khan Academy

    Este artículo es un derivado modificado de los siguientes artículos: " Components of the blood ," (Componentes de la sangre) por OpenStax College, Biology ( CC BY 4.0 ).

  10. Structure of the plasma membrane (article) | Khan Academy

    For a typical human cell, however, proteins account for about 50 percent of the composition by mass, lipids (of all types) account for about 40 percent, and the remaining 10 percent comes from …