Discussion 4

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UNIT 4: TRANSPORTATION AND DEFENSE.

CHAPTER 27. BLOOD

Compose 400 words or more discussion to respond the following:

Name the fluid portion of the whole blood. What constitutes the formed elements of blood? List the granulocytic and a granulocytic   leucocyte. Discuss the destruction of red blood cells in the body. Identify the two basic coagulation steps.

Discussion 5

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CHAPTER 28: HEART.

CAHPTER 29: BLOOD VESSELS.

DISCUSSION.

Compose 400 words or more discussion to respond the following:

In anatomical term, where is the heart located? Name the three of the that make up the wall of the heart. What is the function of each layer? Name the four chamber of the heart and the valves associated with them. List the principal structures of the heart´s conduction system. What are the three deflection waves seen in a typical ECG? What event does each ECG wave represent? Name the three major types of blood vessels.

CHAPTER 30: Circulation of Blood.

CHAPTER 31: Lymphatic System.

DISCUSSION.

Compose 400 words or more discussion to respond the following:

What is meant by the term venous return? What is the overall function of the Lymphatic System? Compare lymphatic vessels with blood vessels. Where are lymph nodes usually found? What functions are carried out by lymph nodes? Where are the tonsils located? What major role does the thymus play in Immunity? What are the major functions of the spleen?