Hardening of the left ventricle
[DOC File]Biology 12 - Chapter 10 - Circulation
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A chronic disease characterized by abnormal thickening and hardening of the arterial walls with resulting loss of elasticity . Atherosclerosis . A cardiovascular disease in which growths called plaques develop on the inner walls of the arteries, narrowing their inner diameters. Atrium . A chamber of the heart that receives blood from the veins and forces it into a ventricle or ventricles ...
[DOC File]Circulatory system
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The graph below shows changes in the blood pressure in the aorta and the left ventricle during two complete cardiac cycles. (a)On the graph, draw an arrow to show when the left atrioventricular (mitral) valve closes. (1) (b)Use the information in the graph to calculate the heart rate. Show your working. Answer ..... (2) (c)During the cardiac cycle, the pressure in the left ventricle falls to a ...
[DOC File]Unit K – Heart Structure and Function
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i. the left ventricle to the legs: left ventricle, aorta, iliac arteries, legs. ii. the legs to the right atrium: iliac veins, vena cava, right atrium . iii. the aorta to the liver: aorta, coeliacmesenteric artery, intestine, hepatic portal vein, liver. iv. the liver to the vena cava: liver, hepatic vein, vena cava. 18. a) Label the indicated parts of the fetal heart at righ: b. List the four ...
[DOCX File]Woodhouse College
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"Hardening of the arteries" caused by calcium deposits is called: Your answer: emphysema chronic bronchitis atherosclerosis arteriosclerosis The sharp pain occurring when a portion of the myocardium is not receiving enough oxygenated blood is: Your answer: dyspnea ascites angina pectoris rales When a thrombus breaks loose from a diseased artery and moves to occlude the flow of blood in a ...
[DOC File]Biology 12 - Chapter 10 - Circulation
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Aortic semi-lunar valve- between left ventricle and aortic artery. 3) Give the function of valves. Prevent backflow. 4) What are the 3 tissue types in the heart? Pericardium, myocardium, endocardium . 5) List the two nodes in the body and explain their function. Be sure to mention purkinje fibers. Sinoatrial (SA) node initiates the muscles around the atria to conctract once blood has pooled in ...
[DOC File]Biology 12 - The Heart & Circulatory System
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The left ventricle is much thicker than the right ventricle because it pumps blood to the entire body. Valves are held in place by tendons (‘heart strings’), which are attached to the ventricle wall by projections called papillary muscles. Valves prevent backflow of blood. Septum divides heart right and left. It separates oxygenated and deoxygenated blood. Cardiac muscle has its own ...
[DOC File]Biology 12 - The Heart & Circulatory System
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3. left atrium 4. left ventricle 5. lungs 6. pulmonary artery 7. pulmonary semilunar valve 8. pulmonary veins 9. right atrium 10. right ventricle 11. semilunar valve 12. tricuspid valve 13. vena cava 14. The path of blood through the heart. Starting with vena cava, list the structures in order through which blood flows. Use the parts in the column on the left. 15. The heart beats about ...
[DOC File]EMT Review Test 1
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It takes blood from the left ventricle, through the tissues & organs of the body, and back to the right atrium. in the systemic system, veins carry deoxygenated blood, and arteries carry oxygenated blood. The systemic circuit contains some blood vessels you should know: AORTA: the largest artery. Branches of the aorta lead to all major body regions and organs. SUPERIOR VENAE CAVA: large vein ...
[DOC File]Heart, blood, and circulation Assignment
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The left ventricle has a thicker muscle layer as it has to push the blood further. **Both the pulmonary valve and the aortic valve are SEMI-LUNAR VALVES . Atrioventricular Valves: flaps of tissue that separate the atria from the ventricles. These valves prevent the blood from flowing in the reverse direction when the ventricles contract. Right side “Tricuspid”—three cusps, or flaps. Left ...
Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic
The left ventricle CONTRACTS, forcing blood through the _____ SEMILUNAR VALVE into the _____, the body's largest artery. 9. The aorta divides into smaller arteries, which carry oxygenated blood to all _____ _____. Note that deoxygenated blood _____ _____ with oxygenated blood. IN REALITY, the events described above don't happen in a linear sequence. Instead, the two atria contract ...
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