Pulmonary vein

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    Introduction: The heart is part of the circulatory system which pumps blood and supplies oxygen throughout our body(Jacobs). Pumped through a network of arteries and veins, blood is a very important part of our body. Without blood, we could not live. This is because it keeps us warm, fights off infections, and helps get rid of waste(Durani). Blood also transports oxygen and hormones throughout our body. Our circulatory system is made up of the heart and blood vessels. They also include arteries, veins, and capillaries. There are two parts to the circulatory system: the pulmonary circulation and the systemic circulation. The pulmonary circulation is a short loop from the heart to the lungs and then repeats. The systemic circulation sends blood from the heart to the other parts in our body and repeats(Durani). Circulation Veins and arteries have many differences. One difference is veins have a thinner wall than arteries do. Veins can widen as the amount of blood that passes through them increases. Arteries have strong and flexible walls that allow them to adjust blood that flows to body parts. The veins and arteries are apart of the of the circulatory system. In…

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    body. The first are the arteries which face high blood pressure levels due to the fact that they take blood away from the heart, Because of this they are thicker and more elastic then the other blood vessels. Branching off of the arteries are arterioles which carries blood to the second type of blood vessels the capillaries. These are the smallest and thinnest of the three types of blood vessels but also the most common in the body. They can be found running through almost every tissue in the…

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    1. Explain the relationship between the skeletal and muscular systems. So in the simplest terms, the skeletal system (Bones) make it so that way you have structure in you’re not a blob of skin and cartilage, and the muscular system makes it so that way you can get up and move around. The skeletal system provides the framework for your body, while the muscular system consists of soft tissues that support the skeleton. 2. Why is the circulatory system important? Because it circulates the blood in…

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    The circulatory system is composed of vessels that take blood from the heart, thin-walled capillaries where exchange occurs, and vessels that return blood to the heart. Blood is pumped by the heart simultaneously into two ways the pulmonary and systemic circuits. The pulmonary system takes blood through the lungs where gas exchange occurs and the systemic system transports blood to all parts of the body where exchange with tissue fluid takes place. In practical terms, we can think of the…

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    The cardiovascular system The cardiovascular system consists of the heart, blood vessels and approximately the 5 litres of the blood that the blood vessels transport. The cardiovascular system is powered by the body’s hardest working organ. The cardiovascular system is responsible for transporting nutrients and removing gaseous waste from your body. The main structures of this system is the heart the blood vessels and blood. Delivery of oxygen and nutrients The pulmonary circuit carries blood…

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    hormones. The different types of blood vessels are: arteries, capillaries, and veins. The vessels that carry blood towards the heart are veins and the vessels that carry blood away from the heart are arteries. Gas exchange occurs in the capillaries. 2. Describe the layers of blood vessels. Describe the differences between arteries and veins. The layers of blood vessels are: a hollow interior (lumen), contains an outer…

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    Venous System Of The Frog

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    c) Pulmo-cutanous arch- it divides into Pulmonary artery – it receives deoxygenated blood from different parts of the body and open into lungs. Cutanous artery- it supplies oxygenated blood to skin. Venous System of frog Blood vessels, which carry the deoxygenated blood from different parts of the body to the heart, are called veins. They constitute a system called venous system. Venous system of frog can be studied under too heading A) Systemic Venous System This system includes the three…

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    - Inner Layer; An inner endothelial cell layer called tunica intima lines the arteries and veins. The tunica intima, is a single layer of squamous epithelial cells that lines the inner surface of the entire cardiovascular system. In many veins, the tunica intima is equipped with pockets that act as one-way valves. These valves prevent the back flow of blood and allow the veins to act as supplemental pumps that help to keep the blood following in one direction, back toward the heart. The activity…

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    the cardiovascular system is to transport materials around the body with blood serving as its transport medium. Blood is contained and transported in hollow tubes known as blood vessels. The body has three main types: Arteries, capillaries and Veins. All arteries (with the exception of pulmonary and umbilical arteries) transport Oxygenated blood away from the heart to the rest of the body. They branch off into smaller structures named arterioles which lead to the Capillaries. In the capillaries…

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    M1 outline the adaptations to cardiovascular, respiratory, musculoskeletal and energy systems, brought about by regular exercise Cardiovascular System The cardiovascular system consists of the blood vessels and the heart. They function is to circulate the blood around the body to all the muscles. The red blood cells carry oxygen to all the muscles through the vein (carries blood to the heart). The veins have thin walls and contain blood under the low pressure. The arteries (carries blood away…

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