04:14 They're going to be the tunica intima, which is the innermost layer. Function: Windkessel function: The ability of vessel walls to stretch enables blood that is ejected during systole to be stored; During diastole, blood is carried to the periphery by means of elastic retracting forces of the artery wall: Distribution of blood to … Veins. Learning Objectives. A blood vessel's main function is to transport blood around the body. The Structure and Function of Blood and Blood Vessels The Circulatory System What is the function of blood? The most important types, arteries and veins, carry blood away from or towards the heart, respectively. Share on Pinterest Blood travels along vessels to reach every system of the body and carry out its crucial functions. Blood Vessel Function. Local controls, discussed later, account for this phenomenon. All blood vessels have the same basic structure. Blood consists of plasma, red and white blood cells, and platelets. Blood vessels cannot function properly when inhibited by vascular diseases. Key Takeaways Key Points. 03:58 This is going to function to nourish this outermost layer of our blood vessels. All blood vessels are specifically structured to perform their function.

Blood vessels carry nutrients and oxygen throughout the body and aid in gas exchange.

Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Your blood vessels allow blood to flow quickly from one region to another and then allow it to come back to your heart. Structure and Function of Blood Vessels.
Since the pressure within arteries is relatively high, the vasa vasorum must function in the outer layers of the vessel (see Figure 20.3) or the pressure exerted by the blood passing through the vessel would collapse it, preventing any exchange from occurring. Three types of blood vessels are: Arteries. The blood vessels are part of the circulatory system and function to transport blood throughout the body. (Seek additional content for more information on these dynamic aspects of the autonomic nervous system.) The blood vessels are one of the most important circulatory system organs. Arteries are strong tubes and muscular in nature.

Blood vessels are a series of tubes inside your body.

They move blood to and from your heart. Types of Blood Vessels. The blood vessels are part of the circulatory system and function to transport blood throughout the body. The tunica externa also contains tiny blood vessels called vasa vasorum that supply blood to the walls of your veins. Arteries. In atherosclerosis, cholesterol and fatty deposits accumulate inside arterial walls leading to the formation of plaque. The tunica media is the middle layer. There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins. The size of your vessels increases with an increase in the amount of blood that passes through the vessel. 04:06 So if we look at the structure of the blood vessels, to recap, the blood vessels in the body have three layers.
Blood vessels are found throughout the body. Tunica media. Coronary arteries supply blood to the heart muscle. One of the most common diseases of the arteries is called atherosclerosis. Transports: Maintains body temperature Controls pH nutrients blood cells dissolved gases plasma proteins nutrients enzymes hormones Blood Vessels: Transport blood Other These blood vessels carry oxygen-rich blood from the heart to all the tissues of the body. The coronary arteries wrap around the outside of the heart.

Nervous control over vessels tends to be more generalized than the specific targeting of individual blood vessels. Scientists have discovered a hitherto unknown function of blood platelets in cancer. Blood vessels also play a role in controlling your blood pressure. The Blood Vessels. Learning Objectives. Hormones and local chemicals also control blood vessels. List the functions of blood vessels. Also, oxygen-depleted blood must be carried away. When a blood vessel tears, platelets and plasma proteins work together to stop blood loss. Aorta is one of the main arteries … Capillaries. 2. Platelets, also called thrombocytes, clump and form a plug in the damaged area.The proteins form threads called fibrins to complete the platelet plug, or clot.. 6. Systemic and pulmonary circulatory systems efficiently deliver oxygen to the tissues of the body and remove waste products such as carbon dioxide.

Arteries carry blood away from the heart to other organs. Capillaries are tiny blood vessels that play a big role in facilitating the exchange of various substances between your bloodstream and tissues.


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