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Physics / Physics with MasteringPhysics 4 / Chapter 15 / Problem 55P

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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BIO Blood Speed in an Arteriole A typical arteriole has a

Chapter 15, Problem 55P

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QUESTION:

Problem 55P

BIO Blood Speed in an Arteriole A typical arteriole has a diameter of 0.030 mm and carries blood at the rate of 5.5 × 10−6 cm3/s. (a) What is the speed of the blood in an arteriole? (b) Suppose an arteriole branches into 340 capillaries, each with a diameter of 4.0 × 10−6 m. What is the blood speed in the capillaries? (The low speed in capillaries is beneficial; it promotes the diffusion of materials to and from the blood.)

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QUESTION:

Problem 55P

BIO Blood Speed in an Arteriole A typical arteriole has a diameter of 0.030 mm and carries blood at the rate of 5.5 × 10−6 cm3/s. (a) What is the speed of the blood in an arteriole? (b) Suppose an arteriole branches into 340 capillaries, each with a diameter of 4.0 × 10−6 m. What is the blood speed in the capillaries? (The low speed in capillaries is beneficial; it promotes the diffusion of materials to and from the blood.)

ANSWER:

Step 1 of 4

(a) The volume of blood passing through the arteriole is determined by,

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