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Cardiovascular System

Blood Vessel Histology

Blood vessels are the part of circulatory system which functions to transfer blood all through the body. Blood vessels can be classified as arteries, capillaries and veins. Capillaries is 60,000 miles long. That is long enough to go around the world more than twice. All the blood

Action of the Heart – Cardiac Cycle

The heart is actually a double sided muscular pump. The right side pumps blood to the lungs and left side pumps blood to all the parts of the body. Every pump is created from an atrium and a ventricle. Cardiac Cycle The contraction of heart followed by

Vascular Segments

As blood exits the left ventricle, it passes progressively through the aorta, arteries, arterioles, capillaries, venules, veins, and vena cava before returning to the right atrium. These vascular segments have significant functional differences. Arteries And Arterioles An extensive network of arteries and arterioles branch off of the

Pulmonary Circuit

The cardiovascular system is categorized into the pulmonary circuit as well as the systemic circuit. The blood among the heart and the lungs is transported by pulmonary circuit, which is made up of arteries and veins. The circuit starts at the right ventricle and terminates at the

Circulation in Specific Vascular Beds

Blood flow serves multiple functions. Matching of blood flow to metabolic needs is complex in organs that have variable metabolic rates, such as skeletal muscle. Local regulation of blood flow is well developed in tissues that have a low tolerance for ischemia, such as the brain and

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