uestion 122.008 class ATHLETICS NEWS MYECC ESSEx US MANAGEMENT SYSTEM answer. 17

Question

uestion 122.008 class ATHLETICS NEWS MYECC ESSEx US MANAGEMENT SYSTEM answer. 17 COLLEGE spring COUNTY CONTACT most vessels correct Blood MOODLE the 29 to u12m4 choose session key 3 the LIFE 104818&page; 30 following STUDENT Use iziattempt.php?attempt yet answered A Choose this if the first item is greater than the second item. ked out of Choose the first item is less than the second item. C. Choose this if the first item is equal or nearly equal to the second item. Flag question (1) veloci of blood flow when c s-sectional area creases (2) velocity of blood flow when cross-sectional decreases Answer revious page 201703 B 122 008

Explanation / Answer

Please find the answers below:

Part 1: Choice A is correct.

Reason: According to the principles of fluid mechanics, when a similar volume of liquid flows through a pipe of large diameter, its flow velocity will be slow whereas if the same liquid flows through a pipe of narrow diameter, its flow velocity will be large. Thus, velocity of blood flow increases with decrease in radius/cross section of the artery.

Part 2: Density

Reason: The viscosity of a liquid is directly proportional to the density of this liquid which is an intrinsic property of the liquid. It is represented by the total number/mass of the cellular components of the liquid/blood per unit volume of the plasma.

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