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  1. Blood plasma - Wikipedia

    Blood plasma is a light amber -colored liquid component of blood in which blood cells are absent, but which contains proteins and other constituents of whole blood in suspension.

  2. Plasma | Definition, Function, & Composition | Britannica

    Dec 8, 2025 · Plasma, the liquid portion of blood, which transports nutrients and wastes and maintains blood pressure and homeostasis.

  3. What Is Plasma in Blood? - Cleveland Clinic

    What is plasma? Plasma is the liquid part of your blood. This fluid makes up a little over half of your blood’s total volume. Other blood cells — like red blood cells, white blood cells and …

  4. Plasma in the Body: Color, Roles, Donation Uses - Verywell Health

    Sep 7, 2025 · Plasma is a liquid that makes up blood and is responsible for transport. Learn how plasma looks, what it does, and why recipients need it.

  5. What Is Plasma? - University of Rochester Medical Center

    The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it. Cells also put their waste products into the plasma.

  6. Plasma - grifols.com

    What is plasma? Plasma is the clear, pale yellow liquid portion of blood that suspends blood cells and makes up around 55% of total blood volume.

  7. Physiology, Blood Plasma - StatPearls - NCBI Bookshelf

    Apr 24, 2023 · Whole blood minus erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes (platelets) make up the plasma. Serum, sometimes mistakenly considered synonymous with …

  8. What Is Plasma In Blood? | Red Cross Blood Services

    Plasma is the liquid portion of blood. About 55% of our blood is plasma, and the remaining 45% are red blood cells, white blood cells and platelets that are suspended in the plasma.

  9. Plasma - Hematology Explained

    Plasma is the liquid portion of blood, often overlooked but absolutely essential for life. Comprising about 55% of total blood volume, plasma is more than just a transport medium—it is the …

  10. Human Plasma: What It Is and Why It Matters - Biology Insights

    Jul 28, 2025 · Human plasma is the yellowish liquid component of blood, making up approximately 55% of its total volume. This fluid transports blood cells throughout the body.