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Circulatory System: Blood OCTC
Functions of Blood
16
Biology
Undergraduate 3
10/24/2012

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Term
WHat is Blood?
Definition
River of live, Blood carried the "vital force". life sustaining fluid, drained "bad blood" from people, used to think hereditary traits were transmitted in the blood: "i got farming in my blood"
Term
WHat is made up of the heart, BV, and blood
Definition
circulatory system
Term
Cardiovascular system consists of?
Definition
Heart and BV
Term
Hematology?
Definition
The study of blood
Term
What are the functions of the Circulatory system?
Definition
Truansport, protections and regulation
Term
In the function of transportation what does blood do?
Definition
Blood transports O2, CO2, and nutrients to body cells, metabolic wastes to kedneys, hormones to target cells, stem cells from bone marrow and other orgins to tissues where the lodge and mature.
Term
Blood functions in protection from infections and blood loss?
Definition
Blood plays a role in inflammation, a mechanism for limitin g spread of infection. WBC destrow pathogens and cancer cells, Antibodies and complement proteins neutralize toxins and pathogens, and platelets initiate clotting and minimize blood loss
Term
Blood funtions in regulation?
Definition
By absorbing or giving off fluid, Blood capillaries stabilize fluid distribution. Blood buffers, acids,and bases in blood stabilize pH. shifts in blood flow help to regulate body temperature.
Term
Components and General Properties of Blood consist of what?
Definition
Adults: 4 to 6 liters of blood. Blood is a CT with cells and extracellular matrix. The matrix is plasma snd the formed elements are cells and cell fragments including RBCs, WBCs, and platelets.
Term
Formed elements are clssified as follows:
Definition
Erythrocytes=RBC Platelets Leukocytes=WBC
Term
Leukocytes are divided into two groups.
Definition
Granulocytes and Agranulocytes
Term
What are the three different types of Granulocytes?
Definition
Neutrophiles, Eosinophils, Basophils
Term
What are the two different types of Agranulocytes?
Definition
Lymphocytes, Monocytes
Term
When you Centrifuge blood it separates the formed elements from the plasma. What makes up the different layers?
Definition
Plasma is the straw colored top part. WBC and platelets make up the buffy coat. RBC are packed at the bottom and red part.
Term
What formed element has the highest density?
Definition
Erythrocytes,
Term
What is Hematocrit?
Definition
The percentage of RBCs in the total blood volume. RBC average about 45%
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