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Measuring Blood Volume: Essential for Solving CSI Cases

In this lesson, we explore the significance of blood volume measurement in forensic investigations, particularly in solving CSI cases. Blood, a vital body fluid comprised of red blood cells, white blood cells, and platelets, serves important functions like oxygen transport and infection fighting. We learn that blood is never blue, the average volume in males and females, and interesting facts about blood-drinking animals. Understanding blood volume can help investigators determine the timing of a stabbing incident, providing crucial insights into the case.

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Measuring Blood Volume: Essential for Solving CSI Cases

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Presentation Transcript

  1. Objective 09/19/11 Apply volume measurement in solving the CSI case. Intro Clue #3: Stab Wound

  2. Blood Booklet Pg. 11

  3. Blood • Blood • A specialized body fluid designed to carry oxygen.

  4. Blood • Made of: • Red blood cells • They transport oxygen • White blood cells • They fight infections • Platelets • They clot your blood when you get a cut

  5. Blood • Facts about blood • Blood is NOT blue… ever. • The average male has 5.2 liters of blood • Female: 3.3 L • Some animals that drink blood are used to heal major wounds!

  6. Blood • Importance to the case: • When a victim has been stabbed, blood oozes from the wound • CSI investigators can collect this blood and measure its volume, determining when the victim was stabbed!

  7. Objective 09/19/11 Apply volume measurement in solving the CSI case. Outro List 2 things you learned today.

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