serology

RED BLOOD CELLS (Erythrocytes)

The most abundant cells in our blood; they are produced in the bone marrow and contain a protein called hemoglobin that carries oxygen to our cells.

WHITE BLOOD CELLS (Leukocytes)

They are part of the immune system and destroy infectious agents called pathogens.

PLASMA

This is the yellowish liquid portion of blood that contains electrolytes, nutrients and vitamins, hormones, clotting factors, and proteins such as antibodies to fight infection.

PLATELETS (Thrombocytes)

The clotting factors that are carried in the plasma; they clot together in a process called coagulation to seal a wound and prevent a loss of blood.

The average adult has about ____ liters of blood inside of their body, which makes up 7-8% of their body weight.

5

Blood is living ____ that carries oxygen and nutrients to all parts of the body, and carries carbon dioxide and other waste products back to the lungs, kidneys and liver for disposal. It also fights against ____ and helps heal wounds, so we can stay healthy.

tissue, infection

There are about _____ red blood cells in two to three drops of blood. For every ___ red blood cells, there are about ___ platelets and one white cell.

1 billion, 600, 40

Your blood type is established before you are BORN, by specific GENES inherited from _____

your parents

These genes determine your blood type by causing proteins called _______ to exist on the surface of all of your red blood cell

AGGLUTINOGENS

Type A

AA and AO

Type B

BB and BO

Type O

OO

Type AB

AB

The percentage of type O is

46.1%

The percentage of type A

38.8%

The percentage of type B

11.1

The percentage of type AB

3.9%

is a procedure in which blood is given to a patient through an intravenous (IV) line in one of the blood vessels. Blood transfusions are done to replace blood lost during surgery or a serious injury.

A blood transfusion

People with TYPE O blood are called _____ ______, because they can give blood to any blood type.

Universal Donors

People with TYPE AB blood are called ______ _______, because they can receive any blood type.

Universal Recipients,

Can be analyzed to determine blood type and DNA, which can be matched to possible suspects.

Blood samples

Can be analyzed to give clues to the location of a crime, movement of a victim, and type of weapon.

Blood droplets

Can be analyzed to determine patterns that give investigators clues to how a crime might have happened.

Blood spatter