Cardiovascular system heart study guide pdf bio 145 mcc. The force to move the blood the cardiovascular system what how why the cardiovascular system delivers oxygen and nutrients to the body tissues and carries away wastes such as carbon dioxide via blood. The cardiovascular, or circulatory, system is a closed elastic circuit consisting of the heart, blood vessels arteries, capillaries and veins and the blood. At the same time, the body dumps waste products like carbon dioxide, back into the blood, so they can be removed. Attached to the heart is blood vessels that transport blood in various circulation pathwayspulmonary blood vessels. The cardiovascular system refers to the heart, blood vessels and the blood. The cardiovascular system consists of the heart, blood vessels, and the approximately 5 liters of blood that the blood vessels transport. Atherosclerosis, in which arteries narrow and become less flexible, occurs when fat, cholesterol, and other substances in the blood form.
Tthehe hhearteart location thorax between the lungs. Human anatomy and physiology ii bio 145 get the app. Journal of cardiovascular diseases and diagnosis open. Learn more about the different types of cardiovascular diseases, their causes, and their treatment.
Pearson benjamin cummings is an imprint of pearson. The lymphatic system is a vascular network of tubules and ducts that collect, filter, and return. Pdf physics and the cardiovascular system researchgate. Blood vessels cardiovascular system blood vessels delivery system of dynamic structures closed system arteries carry blood away from the heart capillaries contact tissue cells and directly serve cellular needs veins carry blood toward the heart figure 19. Arteries are the efferent vessels of the cardiovascular system they carry blood away from the heart. The entire myocardium behaves as a single coordinated unit. Anatomy of the heart and cardiovascular system texas heart. The heart, a muscular pump the blood, a fluid connective tissue the blood vessels, arteries, veins and capillaries blood flows away from the heart in arteries, to the capillaries and back to the heart in the veins there is a decrease in blood pressure as the blood travels. Cardiovascular system summary notes the cardiovascular system includes. The cardiovascular system and the lymphatic system collectively make up the circulatory system. Base is directed upward dorsal and forward cranial.
Cardiovascular diseases cvds are the major cause of death globally, which are a group of disorders of the heart and blood vessels. Human physiologythe cardiovascular system 5 arteries arteries are muscular blood vessels that carry blood away from the heart, oxygenated and deoxygenated blood. The heart, a muscular pump the blood, a fluid connective tissue the blood vessels, arteries, veins and capillaries blood flows away. Responsible for transporting oxygen, nutrients, hormones, and cellular waste products throughout the body, the cardiovascular system is powered by the bodys hardestworking organ the heart, which is only about the size of a closed fist. Aortic valve controls the flow of blood into the aorta path of blood through the heart. Oxygenated and nutrient rich blood is distributed to tissues. Cardiovascular disease cvd a general term referring to conditions affecting the heart cardio and blood vessels vascular system. Oxygenated and nutrient rich blood is distributed to tissues via the arterial system, which branches into smaller and smaller blood vessels from arteries to arterioles to capillaries where most exchange occurs. Blood goes out the pulmonary arteries and heads to the lungs 4. Be able to compare and contrast arteries, veins, and capillaries.
There are many types, including coronary artery disease, angina, and heart failure. The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products. Cardiovascular system human veins, arteries, heart. In the diagram, the vessels that carry oxygenrich blood are colored red, and the vessels that carry oxygenpoor blood are colored blue. The blood and is responsible for transporting oxygen, carbon dioxide nutrients, hormones and cells to and from body tissues. Aorta large vessel that delivers blood to the body. Blood vessels cardiovascular system blood vessels delivery system of dynamic structures closed system arteries carry blood away from the heart capillaries contact tissue cells and directly. Cardiovascular diseases include conditions that affect the structures or function of your heart or blood vessels. This difference in pressure makes sense because the blood vessels need to be longer to get to more. The cardiovascular system and the lymphatic system collectively make up the. Click on related links for detailed views of the heart and. These vessels include arteries, arterioles, capillaries, venules, and veins i. Cardiovascular glossary az all texas heart institute.
It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and. Can alter blood distribution to organs in response to specific demands neural controls operate via reflex arcs that involve. The arteries are major blood vessels connected to heart. Act on arteriolar smooth muscle to reduce flow to regions that need it the least. For this reason, there is a close link between diabetes and cardiovascular problems. Know the 3 tissue layers present in blood vessels and be. Cardiovascular system components of the cardiovascular. Blood circulates within this network in two separate loops. Using blood as the transport vehicle, the system carries nutrients, gases, wastes, antibodies, electrolytes, and many other sub stances to and from body cells. The cardiovascular system consists of the blood, vessels and heart. As the name implies, blood contained in the circulatory system is pumped by the heart around a closed circle or circuit of vessels as it. At rest, coronary blood flow is 250 mlmin control is probably via myogenic mechanisms during strenuous exercise, coronary vessels dilate in response. The heart beats about 100,00 times a day and pumps about 5 litres of. Like the bustling factory, the body must have a transportation system to carry its various cargos back and forth.
Twenty major arteries make a path through your tissues, where they branch into smaller vessels called arterioles. High blood glucose levels can cause damage to all parts of the cardiovascular system. Cardiovascular system ans 215 physiology and anatomy of domesticated animals i. The parts of the cardiovascular system include the heart, which is the organ that pumps the blood, and a network of blood vessels. The major function of the cardiovascular system is transportation. Because of the need for the early development of a transport system within the embryo, the organs of the vascular system. The lymphatic system is a vascular network of tubules and ducts that collect, filter, and return lymph to blood circulation. This can narrow the blood vessels and can lead to many cardiovascular conditions. Some fluid is forced out of the smallest vessels and into the interstitial fluid 3.
At rest, coronary blood flow is 250 mlmin control is probably via myogenic mechanisms during strenuous exercise, coronary vessels dilate in response to local accumulation of vasodilators blood flow may increase three to four times important because cardiac cells use 65% of o 2. Click on related links for detailed views of the heart and cardiovascular system. Rate of blood flow is controlled by extrinsic and intrinsic factors. Cardiovascular system components of the cardiovascular system. Cardiovascular diseases are a major cause of health problems and death in countries worldwide. Start studying cp 19 cardiovascular system blood vessels. Blood contains oxygen and other nutrients which your body needs to survive. The blood, heart, and blood vessels form the cardiovascular system. If blood volume drops, all vessels constrict except those to heart and brain 2. The force to move the blood the cardiovascular system what how why the cardiovascular system delivers oxygen and nutrients to the body tissues and carries away wastes such as carbon dioxide via.
Circulatory system structures, functions, and disorders. It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries. Jul 26, 2019 cardiovascular disease affects the heart and blood vessels. Cardiovascular system heart anatomy healthengine blog. The heart is the pump and the vessels are the delivery and return system for the blood. Heart is a coneshaped, hollow, muscular structure located in the thorax. The lymph, lymph nodes and lymph vessels form the lymphatic system. Apr 29, 2019 high blood glucose levels can cause damage to all parts of the cardiovascular system. The blood is able to move through the contractions of the heart and blood vessels. The heart, blood, and blood vessels are the major components of the cardiovascular system. Veins are the afferent vessels, carrying blood back to the heart. Chemicals in cigarette smoke cause the cells that line blood vessels to become swollen and inflamed. The cardiovascular system is comprised of the heart and blood vessels.
Know the 3 tissue layers present in blood vessels and be able to identify which layers are present in the main vessel types discussed. Tiny tubes that carry blood from the arteries to the bodys cells, and then back to. The body takes these essential nutrients from the blood. Blood vessels and the heart robbins pathology 7 th ed. The veins also are major blood vessels con nected to heart. Cardiovascular disease, any of the diseases, whether congenital or acquired, of the heart and blood vessels. The primary function is to pump oxygenated blood to the tissues throughout the body and reabsorb waste carbon dioxide for its removal. Cardiovascular system heart study guide pdf bio 145. Human cardiovascular system the blood vessels britannica. Cardiovascular disease cvd a general term referring to conditions affecting the heart cardio and. Human cardiovascular system human cardiovascular system the blood vessels. Vascular response to injury arteriosclerosis hypertensive vascular disease. The circulatory system cardiovascular system major connection between external and internal environment. Terms related to the cardiovascular and lymphatic systems term pronunciation meaning the heart fig.
The components and operation of the human circulatory system are overviewed, followed by a. The primary function of the heart and blood vessels is to transport oxygen, nutrients, and byproducts of metabolism. The heart pumps blood throughout the body in blood vessels. Very small vessels that lie between the arteries and veins. Anatomy of the heart and cardiovascular system texas. Blood flow requires both the pumping action of the heart and changes in blood. Map is maintained by altering blood vessel diameter, which alters resistance example. Cardiovascular disease affects the heart and blood vessels. The pulmonary arteries will carry deoxygenated blood to the lungs and the sytemic arteries will carry oxygenated blood to the rest of the body. Cardiovascular cv pertaining to the heart and blood vessels that make up the circulatory system. The blood vessels that take blood away from the heart. An overview of the cardiovascular system components. Vessels of the lymphatic system pick up this fluid, filter it, and return it.
The heart is a muscular organ a little larger than your fist weighing between 7 and 15 ounces 200 to 425 grams. The pulmonary artery carries blood pumped from the right side of the. The heart and the blood vessels together constitute the cardiovascular system. Learn more about the types and treatments for different cardiovascular diseases. Blood vessels that carry blood from the body back to the heart.
Anatomy and physiology of the cardiovascular system. The pulmonary veins carry oxy genrich blood from the lungs to the left side of the heart so it can be pum ped out to the body. Artlabeling quiz matching quiz multiplechoice quiz truefalse quiz. Blood vessels provide for a continuous route for blood leaving the heart to return to the heart. Deoxygenated blood enters right atrium through the vena cava 2. Lymph is a clear fluid that comes from blood plasma, which exits blood vessels at capillary beds. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Vessels of the lymphatic system pick up this fluid, filter it, and return it to the circulatory system lymph vascular system 1.