hs147_ch12

What is the main function of the circulatory system?
- transport oxygen and nutrients to the tissues which are needed for metabolism
- transport waste products from cellular metabolism to kidneys and other excretory organs for elimination
- circulates electrolytes and hormones needed for regulation of various bodily functions
What are the two parts of the circulatory system?
- systemic
- pulmonary
What returns deoxygenated blood to the heart?

veins
What contains valves which prevent backflow of blood when heart relaxes?

veins
Do arteries or veins have larger lumens?

veins
What is the largest vein which returns blood into the right atrium of the heart?

vena cava
What do the lower extremity venous system consists of?
- superficial veins
- deep channels
What carries oxygenated blood from the heart to the tissues?

arteries
Which has thicker and stronger walls, needed to handle higher blood velocity flowing from the heart?
a) arteries
b) veins

a) arteries
What is the largest artery which originates at the left ventricle of the heart?

aorta

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Card Set

hs147_ch12

Description

Hs147: Chapter 12 Circulatory Disturbances Exam: March 2, 2011

Updated

2011-02-28T16:54:30Z

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