Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 20, Problem 3RQ
Summary Introduction
To determine:
The properties of blood vessels that help in the steady flow of blood in capillaries, despite the rhythmic pumping of the heart.
Introduction:
The smallest blood vessels in a human body are the capillaries. They are considered as the vital vessels, due to the functions they perform in the functioning of the circulatory system. The capillaries supply the tissue fluid with necessary nutrients and in turn, take away the carbon dioxide and other nitrogenous wastes from the cells.
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Blood flow through the capillaries is steady despite the rhythmic pumping action of the heart because of the (a) elasticity of the large arteries only, (b) elasticity of all the arteries, (c) ligamentum arteriosum, (d) venous valves.
3. (1) (2) 3.
Blood within the veins is prevented from flowing away from the heart because of the presence of: (a) venous reservoirs. (b) muscular walls. (c) clots. (d) valves.
Chapter 20 Solutions
Human Anatomy
Ch. 20 - What structural features of capillaries make them...Ch. 20 - Prob. 2CYUCh. 20 - Prob. 3CYUCh. 20 - Prob. 4CYUCh. 20 - Prob. 5CYUCh. 20 - Prob. 6CYUCh. 20 - Which vessel do you palpate to feel a pulse in...Ch. 20 - Name the vessels that branch off the abdominal...Ch. 20 - Prob. 9CYUCh. 20 - Prob. 10CYU
Ch. 20 - Prob. 11CYUCh. 20 - Prob. 12CYUCh. 20 - How does elevated blood glucose associated with...Ch. 20 - Prob. 14CYUCh. 20 - Prob. 15CYUCh. 20 - Prob. 1RQCh. 20 - Prob. 2RQCh. 20 - Prob. 3RQCh. 20 - Prob. 4RQCh. 20 - Prob. 5RQCh. 20 - Prob. 6RQCh. 20 - Prob. 7RQCh. 20 - Prob. 8RQCh. 20 - The following sequence traces the flow of...Ch. 20 - Prob. 10RQCh. 20 - The inferior mesenteric artery supplies the (a)...Ch. 20 - Prob. 12RQCh. 20 - Prob. 13RQCh. 20 - An accident victim sustained a puncture wound in...Ch. 20 - Prob. 15RQCh. 20 - Prob. 16RQCh. 20 - (a) What structural features are responsible for...Ch. 20 - Prob. 18RQCh. 20 - Prob. 19RQCh. 20 - Sketch the arterial circle at the base of the...Ch. 20 - Prob. 21RQCh. 20 - Prob. 22RQCh. 20 - Prob. 23RQCh. 20 - Prob. 24RQCh. 20 - Differentiate between arteriosclerosis and...Ch. 20 - A pulse can be felt in the following arteries:...Ch. 20 - In an eighth-grade health class, the teacher...Ch. 20 - Prob. 2CRCAQCh. 20 - Prob. 3CRCAQCh. 20 - Prob. 4CRCAQCh. 20 - Prob. 5CRCAQCh. 20 - Prob. 6CRCAQCh. 20 - Occasionally, either the ductus arteriosus or the...Ch. 20 - Prob. 8CRCAQ
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- Which artery carries oxygen-poor blood?arrow_forward(i)List the major blood vessels and their origins involved in coronary circulation.(ii) At what stage or phase of the heart’s activities does the heart tissues becomes perfused with oxygenated blood? (iii) Define myocardial infarction.(iv) Explain the typical signs associated with acute myocardial infarction. (v) Outline/State which arteries of the heart are most commonly affected/occluded.(vi) Explain why occlusions lead to infarct in the heart.arrow_forwardThe vein through which blood reaches the heart from the abdominopelvic viscera is the (a) superior vena cava, (b) internal jugular vein, (c) inferior vena cava, (d) portal vein.arrow_forward
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