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blood
chapter 15
15
Anatomy
Undergraduate 1
10/31/2007

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Term
blood performs three general functions
Definition
transport

regulation

protection.
Term
characteristics of blood
Definition
connective tissue that has a liquid intercellular matrix.

average adult has 4 to 6L of blood.

pH 7.35 to 7.45

tive times more viscous(thicker) than water
Term
viscosity
Definition
blood viscosity refers to the ease with whch blood flows through the blood vessels.
Term
blood is composed of two parts
Definition

plasma
&
blood cells.

Term
plasma
Definition

-pale yellow fluid composed mostly of water

-contains proteins, ions, nutrients, gases, and waste.

Term
albumin
Definition

the plasma proteins consist of albumin

-various clotting factors, antibodies, and complement proteins.

Term
serum
Definition

is the plasma minus the clotting proteins

Term
the blood cells include the following:
Definition
red blood cells ( RBCs)

white blood cells (WBCs)

platelets
Term

RBCs

Definition
red blood cells, also called erythrocytes

primarily involved in the transport of oxygen to all body tissues
Term
WBCs
Definition
white blood cells, also called leukocytes

protect the body from infection
Term
platelets
Definition

also called thrombocytes

protect the body from bleeding

Term
hematocrit
Definition
the separation of blo intwo phases forms the basis of a blood test

its the percentage of blood cells in a sample of blood
Term
hematopoiesis
Definition
the process of blood cell production

two types of hematopoietic tissue in the adult are the red bone marrow and the lymphatic tissue.
Term
stem cell
Definition
the three types of blood cells are produced in the red bone marrow from the same cell
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