Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 21, Problem 12CP
Summary Introduction
To review:
The blood flow velocity in the capillaries is less than that in the veins and arteries.
Introduction:
The volume of blood that travels through a tissue in a certain time period is known as the blood flow. The blood flow velocity and the blood vessel's area of cross-section have inverse relation. When the total area of cross-section is large, the velocity is slow.
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Why is the velocity of blood flow faster in arteries and veins than in capillaries?
Which part of the cardiovascular system contains the most blood? Which part provides the greatest resistance to blood flow? Which part provides the greatest cross-sectional area? Explain.
Why does bloodflow decrease significantly at the capillaries?
Chapter 21 Solutions
Principles of Anatomy and Physiology
Ch. 21 - Prob. 1CPCh. 21 - Prob. 2CPCh. 21 - Prob. 3CPCh. 21 - Prob. 4CPCh. 21 - Prob. 5CPCh. 21 - Prob. 6CPCh. 21 - Prob. 7CPCh. 21 - Define edema and describe how it develops.Ch. 21 - Prob. 9CPCh. 21 - Prob. 10CP
Ch. 21 - Prob. 11CPCh. 21 - Prob. 12CPCh. 21 - Prob. 13CPCh. 21 - Prob. 14CPCh. 21 - Prob. 15CPCh. 21 - Prob. 16CPCh. 21 - Prob. 17CPCh. 21 - Prob. 18CPCh. 21 - Prob. 19CPCh. 21 - Prob. 20CPCh. 21 - Prob. 21CPCh. 21 - 22. Describe the types of shock and their causes...Ch. 21 - What is the purpose of systemic circulation?Ch. 21 - Prob. 24CPCh. 21 - Prob. 25CPCh. 21 - Prob. 26CPCh. 21 - Prob. 27CPCh. 21 - Prob. 28CPCh. 21 - Prob. 29CPCh. 21 - Prob. 30CPCh. 21 - Prob. 31CPCh. 21 - Prob. 32CPCh. 21 - Prob. 33CPCh. 21 - Prob. 34CPCh. 21 - Prob. 35CPCh. 21 - Prob. 36CPCh. 21 - Prob. 37CPCh. 21 - Prob. 38CPCh. 21 - Prob. 39CPCh. 21 - Prob. 40CPCh. 21 - 1. Kim Sung was told that her baby was born with a...Ch. 21 - 2. Michael was brought into the emergency room...Ch. 21 - Prob. 3CTQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Several years ago the deaths of several airline travelers led to warnings about economy-class syndrome. The idea is that economy-class passengers dont have as much leg room as passengers in more expensive seats, so they are more likely to sit essentially motionless for long periods on flightsconditions that may allow blood to pool and clots to form in the legs. This condition is called deep-vein thrombosis, or DVT. Given what you know about blood flow in the veins, explain why periodically getting up and moving around in the planes cabin during a long flight may lower the risk that a clot will form.arrow_forwardWhy does blood pressure decrease as blood flows through the cardiovascular system?arrow_forwardWhy is capillary flow increased with increased mean arterial pressure?arrow_forward
- Why do the coronary arteries carry a greater blood flow during ventricular relaxation than they do during ventricular contraction?arrow_forwardDo veins serve as low-resistance conduits for venous return? Explain how?arrow_forwardWhat vessels attached to the heart contain oxygenated blood? Are they both arteries? Explain.arrow_forward
- Why is the fluid movement out of a capillary greater at its arteriolar end than at its venular end?arrow_forwardWhere in the cardiovascular system would you expect the velocity of blood flow to bethe highest? The lowest? Does this make sense?arrow_forwardWhy do capillaries permit the diffusion of materials, whereas arteries and veins do not?arrow_forward
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