Life Science 2.2 : Blood
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Life Science 2.2 : Blood

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Life Science 2.2 : Blood Life Science 2.2 : Blood Presentation Transcript

  • Life Science 2.2
    Blood
  • Identify the four main components of blood.
    Describe three functions of blood.
    Explain how blood pressure is measured.
    Explainwhat the ABO blood types are and why they are important.
    Objectives:
  • What Is Blood?
    Blood
    Connective tissue that carries gases, nutrients, and wastes through the body.
    Plasma
    Fluid part of blood.
    Mixture of water, minerals, nutrients, sugars, proteins, and other substances.
    Red Blood Cells
    Most blood cells are red blood cells (RBCs).
    Take oxygen to every cell in your body.
    View slide
  • Platelets
    Pieces of larger cells found in bone marrow.
    Help blood clot.
    White Blood Cells (WBCs)
    Keep you healthy by destroying pathogens (bacteria and viruses).
    Clean wounds.
    Keep you healthy by destroying body cells that have died or been damaged
    View slide
  • Body Temperature Regulation
    Your blood does more than supply your cells with oxygen and nutrients.
    It also helps regulate your body temperature.
    The force exerted by blood on the inside walls of arteries
    Blood Pressure
  • Blood Types
    Every person has one of four blood types:
    A, B, AB, or O.
    Your blood type refers to the type of antigens you have on the surface of your RBCs.
  • Blood Types and Transfusions
    A transfusion is the injection of blood or blood components into a person to replace blood that has been lost.
    Blood type is an important consideration of a blood transfusion.