Behold this Bloody Brochure

By: Cami Sides

Blood Composition

Blood is mainly composed of plasma, red blood cells, platelets, and white blood cells, respectively.

Blood Cell functions:

Red Blood Cells: carry respiratory gases, mainly oxygen and carbon dioxide.

White Blood Cells: fight disease and foreign invaders.

Platelets: aid in blood clotting and repair damaged blood vessels.

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DNA Fingerprinting / Profiling

DNA Fingerprinting is used to determine identity or parentage by using forensic science to examine and test a suspect or victim's blood.
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Blood Typing

Blood typing tells both the blood type of an individual and helps to determine if blood found at a crime scene comes from only one person or from multiple people.
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Discovery of Blood Types

In 1901, Karl Landsteiner discovered A, B, and O blood types. In 1902, Decastello discovered the AB blood type.

Landsteiner is pictured below:

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Blood Types are also negative or positive. Here are the blood type percentages:

O-positive: 38 percent.

O-negative: 7 percent.

A-positive: 34 percent.

A-negative: 6 percent.

B-positive: 9 percent.

B-negative: 2 percent.

AB-positive: 3 percent.

AB-negative: 1 percent.

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Rh factor

The Rh factor is a type of protein that is found on the surface of the red blood cells. Those with Rh factor are Rh-positive, and those without it are Rh-negative.
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Naming of blood types

They blood types got their names from oligosaccharides (sugar) on the surface of the red blood cells. There are two types of sugar: A and B. A has A sugar. B has B sugar. AB has both. Group O has no sugar.
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Donors and Receivers:

Below is a chart best describing the which blood type can receive or donate to other blood types.
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Antibodies are proteins that attach to antigens. It is part of the immune system.
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Antigen-antibody response

Antigen-antibody response occurs when antibodies attach to specific antigens.
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Agglutination is the clumping of the red blood cells.
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Blood Testing

Blood testing is used to detect diseases or infections, determine the genealogy of an individual, or link a specific person / group of people to a crime scene. The results are determined by blood type and occasionally known diseases in the blood (hepatitis or HIV are examples).
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Thanks For Reading!

Now you know the basics (and more!) about blood! Congratulations!
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