EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 7, Problem 6SQ
Summary Introduction
Introduction: The cardiovascular system, which is also known as circulatory system, allows the blood to flow throughout the body and transports nutrients, gases, and other important enzymes in and out of the cells. The cardiovascular system is composed of two components: heart and the blood vessels.
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Chapter 7 Solutions
EBK HUMAN BIOLOGY
Ch. 7 - List the functions of the cardiovascular system.Ch. 7 - Define a heartbeat, giving the sequence of events...Ch. 7 - What is the difference between the systemic and...Ch. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - State the main functions of venules and veins....Ch. 7 - Label the hearts main parts in the diagram below.Ch. 7 - Cells obtain nutrients from and deposit waste into...Ch. 7 - The contraction phase of the heartbeat is ______;...Ch. 7 - Prob. 3SQ
Ch. 7 - In the systemic circuit, the hearts _______ half...Ch. 7 - After you eat, blood passing through the GI tract...Ch. 7 - Prob. 6SQCh. 7 - Prob. 7SQCh. 7 - Prob. 8SQCh. 7 - _____ contraction drives blood through the...Ch. 7 - Match the type of blood vessel with its major...Ch. 7 - Prob. 11SQCh. 7 - A patient suffering from hypertension may receive...Ch. 7 - Heavy smokers often develop abnormally high blood...Ch. 7 - Prob. 3CTCh. 7 - Several years ago the deaths of several airline...
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- Blood flows directly from the left atrium to_____ . a. the aorta c. the right atrium b. the left ventricle d. the pulmonary arteriesarrow_forwardThe left ventricular wall of the heart is thicker than the right wall in order to ________. A accommodate a greater volume of blood B expand the thoracic cage during diastole C pump blood with greater pressure D pump blood through a smaller valvearrow_forwardIn electrocardiography (=EKG, =ECG), what causes a P wave?______ A. atrial repolarization B. ventricular repolarization C. atrial depolarization D. ventricular depolarizationarrow_forward
- The ___________ receive blood from the body via veins. A. both atria and ventricles B. atria C. ventriclesarrow_forwardWhen blood clot breaks off and travels within the blood it is called a(n) ________. A. embolus B. hemophilia C. thrombocytopenia D. thrombusarrow_forwardCardiac action potentials have _________ duration than neuronal action potentials. A. a shorter B. the same C. a longerarrow_forward
- 26. Surgically providing a detour to allow blood to flow around a blocked coronary artery is a A. coronary bypass. B. defibrillation. C. angioplasty. ____ 27. The heart muscle is protected by the pericardium A. on the inside of the heart. B. which surrounds the heart. C. in the muscular layer of the heart. ____ 28. Hypoperfusion, or shock, results from A. inadequate blood flow carrying oxygen to the body systems. B. increased respiratory and heart rates. C. bleeding from blood vessels in the brain.arrow_forwardAtherosclerosis is promoted by all of the following except _____________. a. sdLDL b. nitric oxide c. inflammatory chemokines d. AGE formationarrow_forwardAnytime there is a sustained change in blood pressure (longer than 2-5 minutes) ______ is responsible for sensing this change and restoring normal blood pressure. a. Carotid sinus baroreceptors b. Both the aortic arch and carotid sinus baroreceptors c. Renal baroreceptors d. Aortic arch baroreceptorsarrow_forward
- The endocardium is composed of __________. A collagen fibers and the lumen B myocardiocytes C a think layer of flat epithelial cells D cardiac muscle cellsarrow_forwarda. Ventricular diastole b. Throughout the cardiac cycle c. Between cardiac cycles d. Ventricular systolearrow_forwardCoronary artery disease can diminish myocardial blood flow resulting in the death of myocardial cells. This condition is known as a myocardial_________. Select one: a. angina b. necrosis c. infarction d. attack e. cirrhosisarrow_forward
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