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Informative Speech Essay

  • Submitted by: sealops3
  • on March 22, 2012
  • Category: English
  • Length: 1,185 words

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Below is an essay on "Informative Speech" from Anti Essays, your source for research papers, essays, and term paper examples.

INFORMATIVE SPEECH

Specific Purpose: By the end of my speech the audience will be able to remember the steps in the journey of a unit of blood from creation to transfusion.
General Purpose: to inform
journey of a unit of blood from creation to transfusion.
Central Idea/Thesis: Donating blood can help save lives.
Introduction
I. The 2004 Merriam-Webster’s Collegiate Dictionary says that blood is, “the fluid that circulates in the heart, arteries, capillaries, and veins of a vertebrate animal carrying nourishment and oxygen to and bringing away waste products from all parts of the body.”

II. That’s a dry definition for the wet red substance that sustains our lives. Today I’m going to give you a closer look at blood.
III. Because by donating our blood, we can help save lives.
IV. We’ll follow a unit of blood from creation to transfusion: looking at how blood is created and used by the body, how blood is collected and donated, and what happens to it after donation.
Transition Statement: Now, let’s go to where it all begins, inside your bones.
Body
I. Blood I s produced by the bone marrow inside your bones.
A. Here three kinds of blood cells are produced: red blood cells, disease fighting white blood cells, and blood clotting platelets

B. From the bone marrow these cells enter the circulatory system, your blood vessels.
1. Here they are suspended in plasma, a watery liquid that makes up over half the total volume of blood.
2. And when I say watery, you better believe it because plasma is actually 90 percent water! That’s why your doctor tells you to drink seven glasses of water a day.
C. This complete blood with cells and plasma is pumped through your body, carrying oxygen to your cells and picking up waste products to be removed from the body.
Transition Statement: My second point is that blood is fantastic stuff, carrying oxygen and nutrients to cells, removing wastes, and fighting disease.
II. But sometimes people need more blood than they have...

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