Bundle: Human Biology, Loose-leaf Version, 11th + MindTap Biology, 1 term (6 months) Printed Access Card
11th Edition
ISBN: 9781305616660
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 7, Problem 4SQ
In the systemic circuit, the heart’s _______ half pumps blood to all body regions; then blood flows to the heart.
- a. left; deoxygenated; oxygenated
- b. right; deoxygenated; oxygenated
- c. left; oxygenated; deoxygenated
- d. right; oxygenated; deoxygenated
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Chapter 7 Solutions
Bundle: Human Biology, Loose-leaf Version, 11th + MindTap Biology, 1 term (6 months) Printed Access Card
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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- Which heart chamber has the thickest wall? a. right atrium c. left atrium b. right ventricle d. left ventriclearrow_forwardFigure 16.10 Which of the following statements about the circulatory system is false? a. Blood in the pulmonary vein is deoxygenated. b. Blood in the inferior vena cava is deoxygenated. c. Blood in the pulmonary artery is deoxygenated. d. Blood in the aorta is oxygenated.arrow_forwardWhich is not true about our heart A. ventricular systole squeezes blood to the lungs and the body B. Both ventricles hold the same volume of blood C. The pacemaker is in the right atrium D. blood from the left lung goes to the left atrium and blood from the right lung goes to the right atriumarrow_forward
- During the systolic phase of the cardiac cycle, the heart is. a. contracting b. relaxing c. contracting and relaxing d. filling with bloodarrow_forwardBlood flow through capillaries in the walls of the left ventricle is ______. A unnecessary because the myocardiocytes in the wall of the left ventricle get plenty of O2 from the blood they pump B greatest during diastole; these capillaries are squeezed shut during systole when the surrounding muscle cells contract C greatest during systole; blood stops following through capillaries during diastole because the heart is relaxedarrow_forwardHow would the left ventricle of a patient who had had high blood pressure for many years differ from the left ventricle of a normal heart? A it would have a larger volume of muscle B it would have a smaller volume of muscle C it would be smaller than the right ventricle D chronic high blood pressure would weaken the heart valves but would have no anatomical effects on the walls of the ventriclesarrow_forward
- Which of the following is the best description of what happens in capillaries? A. Capillaries are surrounded by thicker smooth muscle moving blood cells to exchange nutrients and oxygen. B. Capillaries connect minor veins to major veins returning blood to the heart. C. Capillaries are the location where oxygen, carbon dioxide, and nutrients are exchanged with tissues at the cellular level. D. Capillaries are the site where blood mixes with interstitial fluid to allow for gas and nutrient exchange.arrow_forwardSA node is the main pacemaker of the heart. Why is the normal heart rate lower than the intrinsic firing rate of the SA node? A. sympathetic inputs from the hypothalamus are slowing it down B. parasympathetic inputs from medulla oblongata are slowing it down C. there is inertia in heart muscle as it takes time for impulse to spread through all the cells D. centrifugal inputs from the AV node are slowing it downarrow_forwardWhich of the following is the correct circulatory sequence forblood to pass through part of the heart?a. R. atrium → right AV valve → R. ventricle → pulmonarysemilunar valveb. R. atrium → left AV valve → R. ventricle → pulmonarysemilunar valvec. L. atrium → right AV valve → L. ventricle → aorticsemilunar valved. L. atrium → left AV valve → L. ventricle → pulmonarysemilunar valvearrow_forward
- In humans the wall of the left ventricle is thicker than that of the right ventricle. This adaptation is due to the fact that the left ventricle Select one: O a. pumps blood to the extremities of the body O b. pumps blood that is low in oxygen content O C. is smaller than the right ventricle O d. pumps blood to the left and right lungsarrow_forwardwhich of the following is TRUE for a cardiac cycle? a. it only includes pressure changes that occur during one heart beat b. it refers to volume changes that occur in one heart beat c. it includes mechanical events during one complete heart beat d. it refers to electrical activity of the heart during one complete heart beatarrow_forwardUp to 65% of the body's blood supply is found in __________. A arteries and arterioles B capillaries C veins and venules D heart and lungsarrow_forward
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