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Cardiovascular System

Plasma – Importance of The Normal Components of Plasma

Plasma is the fluid portion of the blood and consists of over 90% water. Water is the liquid carrier of plasma solutes (dissolved substances) and formed elements, in addition to being the solvent of all living systems. Plasma contains a great variety of solutes, such as nutrients,

Circulation Pathways- Systemic And Pulmonary Circuits.

The heart is a double pump that serves two distinct circulation pathways: the pulmonary and systemic circuits. Pulmonary Circuit The pulmonary circuit carries deoxygenated blood to the lungs, where oxygen and carbon dioxide are exchanged between the blood and the air in the lungs. The right ventricle

Hemostasis – The Sequence of Events That Occurs During Hemostasis.

Whenever blood vessels are damaged, the loss of blood poses a considerable threat to homeostasis. Hemostasis is a positive-feedback mechanism initiated after vascular injury to stop or limit blood loss. There are three separate but interrelated processes involved in hemostasis: vascular spasm, platelet plug formation, and coagulation.

Systemic Arteries And The Arterial Pathway of Blood To Various Organs

The systemic veins receive deoxygenated blood from capillaries and return the blood to the heart. Ultimately, all systemic veins merge to form two major veins, the superior and inferior venae cavae, that empty into the right atrium of the heart. Veins Draining The Head And Neck As

Fibrinolysis and Anticoagulants

The ability to create clots to limit blood loss from sites of vascular injury is balanced by systems designed to limit clot formation and to dissolve existing clots. The blood contains natural anticoagulants that act continuously to inhibit clot formation. Fibrinolytic agents dissolve existing clots. In doing

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