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Utilizing Volume Measurement of Blood in CSI Investigations

In this lesson, we will explore the role of blood in forensic science, particularly in crime scene investigations (CSI). Blood is a vital body fluid responsible for transporting oxygen and fighting infections. We'll focus on the importance of volume measurement of blood in determining circumstances surrounding stab wounds. By analyzing the blood collected from a crime scene, investigators can estimate the timing of an assault. Join us as we apply these principles to solve a CSI case through practical examples and essential questions related to blood evidence.

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Utilizing Volume Measurement of Blood in CSI Investigations

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  1. Objective 09/20/12 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 09/20/12 Apply volume measurement in solving the CSI case. Outro Answer the Essential Question.

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