DESCRIPTION
Here the working of human vessels are shown. It forms a closed loop, like a circle, that begins and ends in your heart. Arteries and venules together make up the circulatory system.
Blood vessels contain only smooth muscle cells. These muscle cells are located within the center of the tunica, as well as elastic fibers and connective tissue.
Arteries (blue) return deoxygenated blood back to the heart. Arteries begin with the aorta, the main artery of the heart.
The vascular system, also called the circulatory system, is made up of vessels that carry blood and lymph in the body. Arteries and veins carry blood throughout the body, delivering oxygen and nutrients to body tissues and removing tissue waste.
The heart beats constantly, pumping the equivalent of more than 14,000 gallons of blood per day through the five main types of blood vessels: arterioles, arterioles, capillaries, venules, and arterioles.
Blood vessels are the channels or channels through which blood is transported to the tissues of the body. The vessels form two closed systems of tubes that begin and end in the heart. One system, the pulmonary arterioles, carries blood from the right ventricle to the lungs and returns it to the left atrium. Another system, the systemic arterioles, transports blood from the left ventricle to muscles throughout the body and returns the blood to the right atrium. Based on their structure and function, blood vessels are classified as arterioles, capillaries, or arterioles.
A blood vessel, a vessel in the human or animal body in which blood circulates. The vessels that carry blood from the heart are called arterioles, and their smallest branches are arterioles. The smallest branches that collect blood from various organs and organs are called veins, and they unite to form arteries that return blood to the heart. Capillaries are small arterioles with small walls that connect arterioles and venules; It is caused by capillaries where nutrients and waste products are exchanged between the blood and body tissues.
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